Home / 39,468.90-59,205.39-19,740.79

Finding the Fourth Proportional to 39,468.90, 59,205.39 and 19,740.79

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Solution

The fourth proportional to 39,468.90, 59,205.39 and 19,740.79 is: 29,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.90 : 59,205.39 = 19,740.79 : x
  2. Step 2: Convert to fraction form
    39,468.90/59,205.39 = 19,740.79/x
  3. Step 3: Cross multiply
    39,468.90x = 59,205.39 × 19,740.79
  4. Step 4: Simplify right side
    39,468.90x = 1,168,761,170.86
  5. Step 5: Solve for x
    x = 1,168,761,170.86/39,468.90
  6. Step 6: Final answer
    x = 29,612.21

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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.