Home / 38,077.20-52,547.58-21,310.20

Finding the Fourth Proportional to 38,077.20, 52,547.58 and 21,310.20

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Solution

The fourth proportional to 38,077.20, 52,547.58 and 21,310.20 is: 29,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.20 : 52,547.58 = 21,310.20 : x
  2. Step 2: Convert to fraction form
    38,077.20/52,547.58 = 21,310.20/x
  3. Step 3: Cross multiply
    38,077.20x = 52,547.58 × 21,310.20
  4. Step 4: Simplify right side
    38,077.20x = 1,119,799,439.32
  5. Step 5: Solve for x
    x = 1,119,799,439.32/38,077.20
  6. Step 6: Final answer
    x = 29,408.66

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Double scale
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Similar ratio
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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.