Home / 56,416.08-77,853.60-31,265.40

Finding the Fourth Proportional to 56,416.08, 77,853.60 and 31,265.40

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Solution

The fourth proportional to 56,416.08, 77,853.60 and 31,265.40 is: 43,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416.08 : 77,853.60 = 31,265.40 : x
  2. Step 2: Convert to fraction form
    56,416.08/77,853.60 = 31,265.40/x
  3. Step 3: Cross multiply
    56,416.08x = 77,853.60 × 31,265.40
  4. Step 4: Simplify right side
    56,416.08x = 2,434,123,945.44
  5. Step 5: Solve for x
    x = 2,434,123,945.44/56,416.08
  6. Step 6: Final answer
    x = 43,145.92

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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.