Home / 56,713.52-78,282.24-38,801.76

Finding the Fourth Proportional to 56,713.52, 78,282.24 and 38,801.76

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Solution

The fourth proportional to 56,713.52, 78,282.24 and 38,801.76 is: 53,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.52 : 78,282.24 = 38,801.76 : x
  2. Step 2: Convert to fraction form
    56,713.52/78,282.24 = 38,801.76/x
  3. Step 3: Cross multiply
    56,713.52x = 78,282.24 × 38,801.76
  4. Step 4: Simplify right side
    56,713.52x = 3,037,488,688.74
  5. Step 5: Solve for x
    x = 3,037,488,688.74/56,713.52
  6. Step 6: Final answer
    x = 53,558.46

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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.