Home / 56,441.52-77,880.96-31,291.20

Finding the Fourth Proportional to 56,441.52, 77,880.96 and 31,291.20

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Solution

The fourth proportional to 56,441.52, 77,880.96 and 31,291.20 is: 43,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.52 : 77,880.96 = 31,291.20 : x
  2. Step 2: Convert to fraction form
    56,441.52/77,880.96 = 31,291.20/x
  3. Step 3: Cross multiply
    56,441.52x = 77,880.96 × 31,291.20
  4. Step 4: Simplify right side
    56,441.52x = 2,436,988,695.55
  5. Step 5: Solve for x
    x = 2,436,988,695.55/56,441.52
  6. Step 6: Final answer
    x = 43,177.23

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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.