Home / 47,709.20-65,839.56-26,488.64

Finding the Fourth Proportional to 47,709.20, 65,839.56 and 26,488.64

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Solution

The fourth proportional to 47,709.20, 65,839.56 and 26,488.64 is: 36,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709.20 : 65,839.56 = 26,488.64 : x
  2. Step 2: Convert to fraction form
    47,709.20/65,839.56 = 26,488.64/x
  3. Step 3: Cross multiply
    47,709.20x = 65,839.56 × 26,488.64
  4. Step 4: Simplify right side
    47,709.20x = 1,744,000,402.60
  5. Step 5: Solve for x
    x = 1,744,000,402.60/47,709.20
  6. Step 6: Final answer
    x = 36,554.80

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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.