Home / 43,332.20-64,956.77-18,337.86

Finding the Fourth Proportional to 43,332.20, 64,956.77 and 18,337.86

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Solution

The fourth proportional to 43,332.20, 64,956.77 and 18,337.86 is: 27,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.20 : 64,956.77 = 18,337.86 : x
  2. Step 2: Convert to fraction form
    43,332.20/64,956.77 = 18,337.86/x
  3. Step 3: Cross multiply
    43,332.20x = 64,956.77 × 18,337.86
  4. Step 4: Simplify right side
    43,332.20x = 1,191,168,154.31
  5. Step 5: Solve for x
    x = 1,191,168,154.31/43,332.20
  6. Step 6: Final answer
    x = 27,489.21

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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.