Home / 39,428.40-58,998.60-29,060.40

Finding the Fourth Proportional to 39,428.40, 58,998.60 and 29,060.40

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Solution

The fourth proportional to 39,428.40, 58,998.60 and 29,060.40 is: 43,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.40 : 58,998.60 = 29,060.40 : x
  2. Step 2: Convert to fraction form
    39,428.40/58,998.60 = 29,060.40/x
  3. Step 3: Cross multiply
    39,428.40x = 58,998.60 × 29,060.40
  4. Step 4: Simplify right side
    39,428.40x = 1,714,522,915.44
  5. Step 5: Solve for x
    x = 1,714,522,915.44/39,428.40
  6. Step 6: Final answer
    x = 43,484.47

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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.