Home / 57,564.49-79,417.15-34,895.21

Finding the Fourth Proportional to 57,564.49, 79,417.15 and 34,895.21

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Solution

The fourth proportional to 57,564.49, 79,417.15 and 34,895.21 is: 48,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,564.49 : 79,417.15 = 34,895.21 : x
  2. Step 2: Convert to fraction form
    57,564.49/79,417.15 = 34,895.21/x
  3. Step 3: Cross multiply
    57,564.49x = 79,417.15 × 34,895.21
  4. Step 4: Simplify right side
    57,564.49x = 2,771,278,126.85
  5. Step 5: Solve for x
    x = 2,771,278,126.85/57,564.49
  6. Step 6: Final answer
    x = 48,142.15

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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.