Home / 56,402.74-77,835.90-31,252.24

Finding the Fourth Proportional to 56,402.74, 77,835.90 and 31,252.24

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Solution

The fourth proportional to 56,402.74, 77,835.90 and 31,252.24 is: 43,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,402.74 : 77,835.90 = 31,252.24 : x
  2. Step 2: Convert to fraction form
    56,402.74/77,835.90 = 31,252.24/x
  3. Step 3: Cross multiply
    56,402.74x = 77,835.90 × 31,252.24
  4. Step 4: Simplify right side
    56,402.74x = 2,432,546,227.42
  5. Step 5: Solve for x
    x = 2,432,546,227.42/56,402.74
  6. Step 6: Final answer
    x = 43,128.16

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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.