Home / 56,321.55-77,671.05-38,174.91

Finding the Fourth Proportional to 56,321.55, 77,671.05 and 38,174.91

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Solution

The fourth proportional to 56,321.55, 77,671.05 and 38,174.91 is: 52,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.55 : 77,671.05 = 38,174.91 : x
  2. Step 2: Convert to fraction form
    56,321.55/77,671.05 = 38,174.91/x
  3. Step 3: Cross multiply
    56,321.55x = 77,671.05 × 38,174.91
  4. Step 4: Simplify right side
    56,321.55x = 2,965,085,343.36
  5. Step 5: Solve for x
    x = 2,965,085,343.36/56,321.55
  6. Step 6: Final answer
    x = 52,645.66

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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.