Home / 38,407.52-57,611.28-12,114.92

Finding the Fourth Proportional to 38,407.52, 57,611.28 and 12,114.92

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Solution

The fourth proportional to 38,407.52, 57,611.28 and 12,114.92 is: 18,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.52 : 57,611.28 = 12,114.92 : x
  2. Step 2: Convert to fraction form
    38,407.52/57,611.28 = 12,114.92/x
  3. Step 3: Cross multiply
    38,407.52x = 57,611.28 × 12,114.92
  4. Step 4: Simplify right side
    38,407.52x = 697,956,048.30
  5. Step 5: Solve for x
    x = 697,956,048.30/38,407.52
  6. Step 6: Final answer
    x = 18,172.38

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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.