Home / 31,800.71-47,702.08-15,997.10

Finding the Fourth Proportional to 31,800.71, 47,702.08 and 15,997.10

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Solution

The fourth proportional to 31,800.71, 47,702.08 and 15,997.10 is: 23,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.71 : 47,702.08 = 15,997.10 : x
  2. Step 2: Convert to fraction form
    31,800.71/47,702.08 = 15,997.10/x
  3. Step 3: Cross multiply
    31,800.71x = 47,702.08 × 15,997.10
  4. Step 4: Simplify right side
    31,800.71x = 763,095,060.45
  5. Step 5: Solve for x
    x = 763,095,060.45/31,800.71
  6. Step 6: Final answer
    x = 23,996.16

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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.