Home / 43,148.68-64,723.02-13,569.10

Finding the Fourth Proportional to 43,148.68, 64,723.02 and 13,569.10

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Solution

The fourth proportional to 43,148.68, 64,723.02 and 13,569.10 is: 20,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.68 : 64,723.02 = 13,569.10 : x
  2. Step 2: Convert to fraction form
    43,148.68/64,723.02 = 13,569.10/x
  3. Step 3: Cross multiply
    43,148.68x = 64,723.02 × 13,569.10
  4. Step 4: Simplify right side
    43,148.68x = 878,233,130.68
  5. Step 5: Solve for x
    x = 878,233,130.68/43,148.68
  6. Step 6: Final answer
    x = 20,353.65

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Similar ratio
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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.