Home / 56,081.52-84,113.66-20,534.47

Finding the Fourth Proportional to 56,081.52, 84,113.66 and 20,534.47

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Solution

The fourth proportional to 56,081.52, 84,113.66 and 20,534.47 is: 30,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.52 : 84,113.66 = 20,534.47 : x
  2. Step 2: Convert to fraction form
    56,081.52/84,113.66 = 20,534.47/x
  3. Step 3: Cross multiply
    56,081.52x = 84,113.66 × 20,534.47
  4. Step 4: Simplify right side
    56,081.52x = 1,727,229,268.91
  5. Step 5: Solve for x
    x = 1,727,229,268.91/56,081.52
  6. Step 6: Final answer
    x = 30,798.55

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1.5x scale

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.