Home / 32,259,743.60-48,389,615.40-20,315,807.60

Finding the Fourth Proportional to 32,259,743.60, 48,389,615.40 and 20,315,807.60

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Solution

The fourth proportional to 32,259,743.60, 48,389,615.40 and 20,315,807.60 is: 30,473,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,259,743.60 : 48,389,615.40 = 20,315,807.60 : x
  2. Step 2: Convert to fraction form
    32,259,743.60/48,389,615.40 = 20,315,807.60/x
  3. Step 3: Cross multiply
    32,259,743.60x = 48,389,615.40 × 20,315,807.60
  4. Step 4: Simplify right side
    32,259,743.60x = 983,074,116,304,397.12
  5. Step 5: Solve for x
    x = 983,074,116,304,397.12/32,259,743.60
  6. Step 6: Final answer
    x = 30,473,711.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.