Home / 56,741.20-78,304.98-31,248.68

Finding the Fourth Proportional to 56,741.20, 78,304.98 and 31,248.68

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Solution

The fourth proportional to 56,741.20, 78,304.98 and 31,248.68 is: 43,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.20 : 78,304.98 = 31,248.68 : x
  2. Step 2: Convert to fraction form
    56,741.20/78,304.98 = 31,248.68/x
  3. Step 3: Cross multiply
    56,741.20x = 78,304.98 × 31,248.68
  4. Step 4: Simplify right side
    56,741.20x = 2,446,927,262.43
  5. Step 5: Solve for x
    x = 2,446,927,262.43/56,741.20
  6. Step 6: Final answer
    x = 43,124.35

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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.