Home / 40,428.39-55,792.35-23,432.70

Finding the Fourth Proportional to 40,428.39, 55,792.35 and 23,432.70

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Solution

The fourth proportional to 40,428.39, 55,792.35 and 23,432.70 is: 32,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.39 : 55,792.35 = 23,432.70 : x
  2. Step 2: Convert to fraction form
    40,428.39/55,792.35 = 23,432.70/x
  3. Step 3: Cross multiply
    40,428.39x = 55,792.35 × 23,432.70
  4. Step 4: Simplify right side
    40,428.39x = 1,307,365,399.85
  5. Step 5: Solve for x
    x = 1,307,365,399.85/40,428.39
  6. Step 6: Final answer
    x = 32,337.81

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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.