Home / 56,031.33-77,322.17-30,537.90

Finding the Fourth Proportional to 56,031.33, 77,322.17 and 30,537.90

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Solution

The fourth proportional to 56,031.33, 77,322.17 and 30,537.90 is: 42,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,031.33 : 77,322.17 = 30,537.90 : x
  2. Step 2: Convert to fraction form
    56,031.33/77,322.17 = 30,537.90/x
  3. Step 3: Cross multiply
    56,031.33x = 77,322.17 × 30,537.90
  4. Step 4: Simplify right side
    56,031.33x = 2,361,256,542.55
  5. Step 5: Solve for x
    x = 2,361,256,542.55/56,031.33
  6. Step 6: Final answer
    x = 42,141.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.