Home / 56,527.61-78,004.19-31,375.13

Finding the Fourth Proportional to 56,527.61, 78,004.19 and 31,375.13

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Solution

The fourth proportional to 56,527.61, 78,004.19 and 31,375.13 is: 43,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.61 : 78,004.19 = 31,375.13 : x
  2. Step 2: Convert to fraction form
    56,527.61/78,004.19 = 31,375.13/x
  3. Step 3: Cross multiply
    56,527.61x = 78,004.19 × 31,375.13
  4. Step 4: Simplify right side
    56,527.61x = 2,447,391,290.21
  5. Step 5: Solve for x
    x = 2,447,391,290.21/56,527.61
  6. Step 6: Final answer
    x = 43,295.51

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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.