Home / 56,755.14-78,321.14-31,263.92

Finding the Fourth Proportional to 56,755.14, 78,321.14 and 31,263.92

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Solution

The fourth proportional to 56,755.14, 78,321.14 and 31,263.92 is: 43,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.14 : 78,321.14 = 31,263.92 : x
  2. Step 2: Convert to fraction form
    56,755.14/78,321.14 = 31,263.92/x
  3. Step 3: Cross multiply
    56,755.14x = 78,321.14 × 31,263.92
  4. Step 4: Simplify right side
    56,755.14x = 2,448,625,855.27
  5. Step 5: Solve for x
    x = 2,448,625,855.27/56,755.14
  6. Step 6: Final answer
    x = 43,143.68

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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.