Home / 39,385.82-59,046.04-15,678.74

Finding the Fourth Proportional to 39,385.82, 59,046.04 and 15,678.74

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Solution

The fourth proportional to 39,385.82, 59,046.04 and 15,678.74 is: 23,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.82 : 59,046.04 = 15,678.74 : x
  2. Step 2: Convert to fraction form
    39,385.82/59,046.04 = 15,678.74/x
  3. Step 3: Cross multiply
    39,385.82x = 59,046.04 × 15,678.74
  4. Step 4: Simplify right side
    39,385.82x = 925,767,509.19
  5. Step 5: Solve for x
    x = 925,767,509.19/39,385.82
  6. Step 6: Final answer
    x = 23,505.10

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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.