Home / 56,228.38-77,595.10-31,077.88

Finding the Fourth Proportional to 56,228.38, 77,595.10 and 31,077.88

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Solution

The fourth proportional to 56,228.38, 77,595.10 and 31,077.88 is: 42,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.38 : 77,595.10 = 31,077.88 : x
  2. Step 2: Convert to fraction form
    56,228.38/77,595.10 = 31,077.88/x
  3. Step 3: Cross multiply
    56,228.38x = 77,595.10 × 31,077.88
  4. Step 4: Simplify right side
    56,228.38x = 2,411,491,206.39
  5. Step 5: Solve for x
    x = 2,411,491,206.39/56,228.38
  6. Step 6: Final answer
    x = 42,887.44

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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.