Home / 38,119.55-57,124.85-21,444.75

Finding the Fourth Proportional to 38,119.55, 57,124.85 and 21,444.75

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Solution

The fourth proportional to 38,119.55, 57,124.85 and 21,444.75 is: 32,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.55 : 57,124.85 = 21,444.75 : x
  2. Step 2: Convert to fraction form
    38,119.55/57,124.85 = 21,444.75/x
  3. Step 3: Cross multiply
    38,119.55x = 57,124.85 × 21,444.75
  4. Step 4: Simplify right side
    38,119.55x = 1,225,028,019.81
  5. Step 5: Solve for x
    x = 1,225,028,019.81/38,119.55
  6. Step 6: Final answer
    x = 32,136.48

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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.