Home / 56,506.08-77,979.60-31,357.92

Finding the Fourth Proportional to 56,506.08, 77,979.60 and 31,357.92

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Solution

The fourth proportional to 56,506.08, 77,979.60 and 31,357.92 is: 43,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,506.08 : 77,979.60 = 31,357.92 : x
  2. Step 2: Convert to fraction form
    56,506.08/77,979.60 = 31,357.92/x
  3. Step 3: Cross multiply
    56,506.08x = 77,979.60 × 31,357.92
  4. Step 4: Simplify right side
    56,506.08x = 2,445,278,058.43
  5. Step 5: Solve for x
    x = 2,445,278,058.43/56,506.08
  6. Step 6: Final answer
    x = 43,274.60

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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.