Home / 63,162.81-94,717.17-21,031.47

Finding the Fourth Proportional to 63,162.81, 94,717.17 and 21,031.47

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Solution

The fourth proportional to 63,162.81, 94,717.17 and 21,031.47 is: 31,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.81 : 94,717.17 = 21,031.47 : x
  2. Step 2: Convert to fraction form
    63,162.81/94,717.17 = 21,031.47/x
  3. Step 3: Cross multiply
    63,162.81x = 94,717.17 × 21,031.47
  4. Step 4: Simplify right side
    63,162.81x = 1,992,041,319.34
  5. Step 5: Solve for x
    x = 1,992,041,319.34/63,162.81
  6. Step 6: Final answer
    x = 31,538.20

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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.