Home / 56,191.08-77,548.14-31,044.36

Finding the Fourth Proportional to 56,191.08, 77,548.14 and 31,044.36

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Solution

The fourth proportional to 56,191.08, 77,548.14 and 31,044.36 is: 42,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,191.08 : 77,548.14 = 31,044.36 : x
  2. Step 2: Convert to fraction form
    56,191.08/77,548.14 = 31,044.36/x
  3. Step 3: Cross multiply
    56,191.08x = 77,548.14 × 31,044.36
  4. Step 4: Simplify right side
    56,191.08x = 2,407,432,375.49
  5. Step 5: Solve for x
    x = 2,407,432,375.49/56,191.08
  6. Step 6: Final answer
    x = 42,843.68

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1.5x scale

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.