Home / 38,046.12-52,503.50-21,279.08

Finding the Fourth Proportional to 38,046.12, 52,503.50 and 21,279.08

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Solution

The fourth proportional to 38,046.12, 52,503.50 and 21,279.08 is: 29,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,046.12 : 52,503.50 = 21,279.08 : x
  2. Step 2: Convert to fraction form
    38,046.12/52,503.50 = 21,279.08/x
  3. Step 3: Cross multiply
    38,046.12x = 52,503.50 × 21,279.08
  4. Step 4: Simplify right side
    38,046.12x = 1,117,226,176.78
  5. Step 5: Solve for x
    x = 1,117,226,176.78/38,046.12
  6. Step 6: Final answer
    x = 29,365.05

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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.