Home / 56,860.29-78,468.12-31,366.22

Finding the Fourth Proportional to 56,860.29, 78,468.12 and 31,366.22

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Solution

The fourth proportional to 56,860.29, 78,468.12 and 31,366.22 is: 43,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,860.29 : 78,468.12 = 31,366.22 : x
  2. Step 2: Convert to fraction form
    56,860.29/78,468.12 = 31,366.22/x
  3. Step 3: Cross multiply
    56,860.29x = 78,468.12 × 31,366.22
  4. Step 4: Simplify right side
    56,860.29x = 2,461,247,922.57
  5. Step 5: Solve for x
    x = 2,461,247,922.57/56,860.29
  6. Step 6: Final answer
    x = 43,285.88

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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.