Home / 57,409.41-79,226.10-31,917.90

Finding the Fourth Proportional to 57,409.41, 79,226.10 and 31,917.90

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Solution

The fourth proportional to 57,409.41, 79,226.10 and 31,917.90 is: 44,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.41 : 79,226.10 = 31,917.90 : x
  2. Step 2: Convert to fraction form
    57,409.41/79,226.10 = 31,917.90/x
  3. Step 3: Cross multiply
    57,409.41x = 79,226.10 × 31,917.90
  4. Step 4: Simplify right side
    57,409.41x = 2,528,730,737.19
  5. Step 5: Solve for x
    x = 2,528,730,737.19/57,409.41
  6. Step 6: Final answer
    x = 44,047.32

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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.