Home / 57,389.31-79,199.28-31,896.18

Finding the Fourth Proportional to 57,389.31, 79,199.28 and 31,896.18

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Solution

The fourth proportional to 57,389.31, 79,199.28 and 31,896.18 is: 44,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.31 : 79,199.28 = 31,896.18 : x
  2. Step 2: Convert to fraction form
    57,389.31/79,199.28 = 31,896.18/x
  3. Step 3: Cross multiply
    57,389.31x = 79,199.28 × 31,896.18
  4. Step 4: Simplify right side
    57,389.31x = 2,526,154,490.75
  5. Step 5: Solve for x
    x = 2,526,154,490.75/57,389.31
  6. Step 6: Final answer
    x = 44,017.86

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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.