Home / 38,372.16-57,558.16-12,079.20

Finding the Fourth Proportional to 38,372.16, 57,558.16 and 12,079.20

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Solution

The fourth proportional to 38,372.16, 57,558.16 and 12,079.20 is: 18,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.16 : 57,558.16 = 12,079.20 : x
  2. Step 2: Convert to fraction form
    38,372.16/57,558.16 = 12,079.20/x
  3. Step 3: Cross multiply
    38,372.16x = 57,558.16 × 12,079.20
  4. Step 4: Simplify right side
    38,372.16x = 695,256,526.27
  5. Step 5: Solve for x
    x = 695,256,526.27/38,372.16
  6. Step 6: Final answer
    x = 18,118.77

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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.