Home / 53,489.08-80,230.38-14,045.32

Finding the Fourth Proportional to 53,489.08, 80,230.38 and 14,045.32

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Solution

The fourth proportional to 53,489.08, 80,230.38 and 14,045.32 is: 21,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.08 : 80,230.38 = 14,045.32 : x
  2. Step 2: Convert to fraction form
    53,489.08/80,230.38 = 14,045.32/x
  3. Step 3: Cross multiply
    53,489.08x = 80,230.38 × 14,045.32
  4. Step 4: Simplify right side
    53,489.08x = 1,126,861,360.82
  5. Step 5: Solve for x
    x = 1,126,861,360.82/53,489.08
  6. Step 6: Final answer
    x = 21,067.13

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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.