Home / 39,937.92-59,914.56-15,312

Finding the Fourth Proportional to 39,937.92, 59,914.56 and 15,312

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Solution

The fourth proportional to 39,937.92, 59,914.56 and 15,312 is: 22,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.92 : 59,914.56 = 15,312 : x
  2. Step 2: Convert to fraction form
    39,937.92/59,914.56 = 15,312/x
  3. Step 3: Cross multiply
    39,937.92x = 59,914.56 × 15,312
  4. Step 4: Simplify right side
    39,937.92x = 917,411,742.72
  5. Step 5: Solve for x
    x = 917,411,742.72/39,937.92
  6. Step 6: Final answer
    x = 22,970.94

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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.