Home / 56,347.20-77,751-31,196.64

Finding the Fourth Proportional to 56,347.20, 77,751 and 31,196.64

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Solution

The fourth proportional to 56,347.20, 77,751 and 31,196.64 is: 43,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.20 : 77,751 = 31,196.64 : x
  2. Step 2: Convert to fraction form
    56,347.20/77,751 = 31,196.64/x
  3. Step 3: Cross multiply
    56,347.20x = 77,751 × 31,196.64
  4. Step 4: Simplify right side
    56,347.20x = 2,425,569,956.64
  5. Step 5: Solve for x
    x = 2,425,569,956.64/56,347.20
  6. Step 6: Final answer
    x = 43,046.86

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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.