Home / 38,377.64-57,549.99-13,410.20

Finding the Fourth Proportional to 38,377.64, 57,549.99 and 13,410.20

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Solution

The fourth proportional to 38,377.64, 57,549.99 and 13,410.20 is: 20,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.64 : 57,549.99 = 13,410.20 : x
  2. Step 2: Convert to fraction form
    38,377.64/57,549.99 = 13,410.20/x
  3. Step 3: Cross multiply
    38,377.64x = 57,549.99 × 13,410.20
  4. Step 4: Simplify right side
    38,377.64x = 771,756,875.90
  5. Step 5: Solve for x
    x = 771,756,875.90/38,377.64
  6. Step 6: Final answer
    x = 20,109.54

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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.