Home / 57,381.41-79,181.29-31,886.15

Finding the Fourth Proportional to 57,381.41, 79,181.29 and 31,886.15

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Solution

The fourth proportional to 57,381.41, 79,181.29 and 31,886.15 is: 44,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,381.41 : 79,181.29 = 31,886.15 : x
  2. Step 2: Convert to fraction form
    57,381.41/79,181.29 = 31,886.15/x
  3. Step 3: Cross multiply
    57,381.41x = 79,181.29 × 31,886.15
  4. Step 4: Simplify right side
    57,381.41x = 2,524,786,490.13
  5. Step 5: Solve for x
    x = 2,524,786,490.13/57,381.41
  6. Step 6: Final answer
    x = 44,000.08

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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.