Home / 32,412.40-44,740.18-18,987.92

Finding the Fourth Proportional to 32,412.40, 44,740.18 and 18,987.92

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Solution

The fourth proportional to 32,412.40, 44,740.18 and 18,987.92 is: 26,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,412.40 : 44,740.18 = 18,987.92 : x
  2. Step 2: Convert to fraction form
    32,412.40/44,740.18 = 18,987.92/x
  3. Step 3: Cross multiply
    32,412.40x = 44,740.18 × 18,987.92
  4. Step 4: Simplify right side
    32,412.40x = 849,522,958.63
  5. Step 5: Solve for x
    x = 849,522,958.63/32,412.40
  6. Step 6: Final answer
    x = 26,209.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.