Home / 38,142.90-57,179.52-14,751.72

Finding the Fourth Proportional to 38,142.90, 57,179.52 and 14,751.72

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Solution

The fourth proportional to 38,142.90, 57,179.52 and 14,751.72 is: 22,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.90 : 57,179.52 = 14,751.72 : x
  2. Step 2: Convert to fraction form
    38,142.90/57,179.52 = 14,751.72/x
  3. Step 3: Cross multiply
    38,142.90x = 57,179.52 × 14,751.72
  4. Step 4: Simplify right side
    38,142.90x = 843,496,268.77
  5. Step 5: Solve for x
    x = 843,496,268.77/38,142.90
  6. Step 6: Final answer
    x = 22,114.11

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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.