Home / 39,988.32-59,889.06-31,612.08

Finding the Fourth Proportional to 39,988.32, 59,889.06 and 31,612.08

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Solution

The fourth proportional to 39,988.32, 59,889.06 and 31,612.08 is: 47,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.32 : 59,889.06 = 31,612.08 : x
  2. Step 2: Convert to fraction form
    39,988.32/59,889.06 = 31,612.08/x
  3. Step 3: Cross multiply
    39,988.32x = 59,889.06 × 31,612.08
  4. Step 4: Simplify right side
    39,988.32x = 1,893,217,755.84
  5. Step 5: Solve for x
    x = 1,893,217,755.84/39,988.32
  6. Step 6: Final answer
    x = 47,344.27

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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.