Home / 32,116.40-48,145.80-28,617.20

Finding the Fourth Proportional to 32,116.40, 48,145.80 and 28,617.20

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Solution

The fourth proportional to 32,116.40, 48,145.80 and 28,617.20 is: 42,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,116.40 : 48,145.80 = 28,617.20 : x
  2. Step 2: Convert to fraction form
    32,116.40/48,145.80 = 28,617.20/x
  3. Step 3: Cross multiply
    32,116.40x = 48,145.80 × 28,617.20
  4. Step 4: Simplify right side
    32,116.40x = 1,377,797,987.76
  5. Step 5: Solve for x
    x = 1,377,797,987.76/32,116.40
  6. Step 6: Final answer
    x = 42,900.14

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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.