Home / 57,328.65-79,118.51-31,839.93

Finding the Fourth Proportional to 57,328.65, 79,118.51 and 31,839.93

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Solution

The fourth proportional to 57,328.65, 79,118.51 and 31,839.93 is: 43,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.65 : 79,118.51 = 31,839.93 : x
  2. Step 2: Convert to fraction form
    57,328.65/79,118.51 = 31,839.93/x
  3. Step 3: Cross multiply
    57,328.65x = 79,118.51 × 31,839.93
  4. Step 4: Simplify right side
    57,328.65x = 2,519,127,660.90
  5. Step 5: Solve for x
    x = 2,519,127,660.90/57,328.65
  6. Step 6: Final answer
    x = 43,941.86

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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.