Home / 43,538.92-65,293.02-18,901.48

Finding the Fourth Proportional to 43,538.92, 65,293.02 and 18,901.48

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Solution

The fourth proportional to 43,538.92, 65,293.02 and 18,901.48 is: 28,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.92 : 65,293.02 = 18,901.48 : x
  2. Step 2: Convert to fraction form
    43,538.92/65,293.02 = 18,901.48/x
  3. Step 3: Cross multiply
    43,538.92x = 65,293.02 × 18,901.48
  4. Step 4: Simplify right side
    43,538.92x = 1,234,134,711.67
  5. Step 5: Solve for x
    x = 1,234,134,711.67/43,538.92
  6. Step 6: Final answer
    x = 28,345.55

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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.