Home / 53,471.16-80,179.74-31,291.20

Finding the Fourth Proportional to 53,471.16, 80,179.74 and 31,291.20

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Solution

The fourth proportional to 53,471.16, 80,179.74 and 31,291.20 is: 46,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.16 : 80,179.74 = 31,291.20 : x
  2. Step 2: Convert to fraction form
    53,471.16/80,179.74 = 31,291.20/x
  3. Step 3: Cross multiply
    53,471.16x = 80,179.74 × 31,291.20
  4. Step 4: Simplify right side
    53,471.16x = 2,508,920,280.29
  5. Step 5: Solve for x
    x = 2,508,920,280.29/53,471.16
  6. Step 6: Final answer
    x = 46,921.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.