Home / 53,034.03-79,551.05-13,591.49

Finding the Fourth Proportional to 53,034.03, 79,551.05 and 13,591.49

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Solution

The fourth proportional to 53,034.03, 79,551.05 and 13,591.49 is: 20,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,034.03 : 79,551.05 = 13,591.49 : x
  2. Step 2: Convert to fraction form
    53,034.03/79,551.05 = 13,591.49/x
  3. Step 3: Cross multiply
    53,034.03x = 79,551.05 × 13,591.49
  4. Step 4: Simplify right side
    53,034.03x = 1,081,216,834.85
  5. Step 5: Solve for x
    x = 1,081,216,834.85/53,034.03
  6. Step 6: Final answer
    x = 20,387.23

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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.