Home / 56,671.26-78,206.13-31,520.76

Finding the Fourth Proportional to 56,671.26, 78,206.13 and 31,520.76

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Solution

The fourth proportional to 56,671.26, 78,206.13 and 31,520.76 is: 43,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.26 : 78,206.13 = 31,520.76 : x
  2. Step 2: Convert to fraction form
    56,671.26/78,206.13 = 31,520.76/x
  3. Step 3: Cross multiply
    56,671.26x = 78,206.13 × 31,520.76
  4. Step 4: Simplify right side
    56,671.26x = 2,465,116,654.26
  5. Step 5: Solve for x
    x = 2,465,116,654.26/56,671.26
  6. Step 6: Final answer
    x = 43,498.53

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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.