Home / 29,151.06-40,234.44-18,538.64

Finding the Fourth Proportional to 29,151.06, 40,234.44 and 18,538.64

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Solution

The fourth proportional to 29,151.06, 40,234.44 and 18,538.64 is: 25,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.06 : 40,234.44 = 18,538.64 : x
  2. Step 2: Convert to fraction form
    29,151.06/40,234.44 = 18,538.64/x
  3. Step 3: Cross multiply
    29,151.06x = 40,234.44 × 18,538.64
  4. Step 4: Simplify right side
    29,151.06x = 745,891,798.76
  5. Step 5: Solve for x
    x = 745,891,798.76/29,151.06
  6. Step 6: Final answer
    x = 25,587.12

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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.