Home / 38,038.55-52,493.24-20,811.13

Finding the Fourth Proportional to 38,038.55, 52,493.24 and 20,811.13

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Solution

The fourth proportional to 38,038.55, 52,493.24 and 20,811.13 is: 28,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.55 : 52,493.24 = 20,811.13 : x
  2. Step 2: Convert to fraction form
    38,038.55/52,493.24 = 20,811.13/x
  3. Step 3: Cross multiply
    38,038.55x = 52,493.24 × 20,811.13
  4. Step 4: Simplify right side
    38,038.55x = 1,092,443,641.76
  5. Step 5: Solve for x
    x = 1,092,443,641.76/38,038.55
  6. Step 6: Final answer
    x = 28,719.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.