Home / 38,617.10-57,919.50-14,921.12

Finding the Fourth Proportional to 38,617.10, 57,919.50 and 14,921.12

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Solution

The fourth proportional to 38,617.10, 57,919.50 and 14,921.12 is: 22,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,617.10 : 57,919.50 = 14,921.12 : x
  2. Step 2: Convert to fraction form
    38,617.10/57,919.50 = 14,921.12/x
  3. Step 3: Cross multiply
    38,617.10x = 57,919.50 × 14,921.12
  4. Step 4: Simplify right side
    38,617.10x = 864,223,809.84
  5. Step 5: Solve for x
    x = 864,223,809.84/38,617.10
  6. Step 6: Final answer
    x = 22,379.30

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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.