Home / 57,270.04-79,092.72-39,411.16

Finding the Fourth Proportional to 57,270.04, 79,092.72 and 39,411.16

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Solution

The fourth proportional to 57,270.04, 79,092.72 and 39,411.16 is: 54,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.04 : 79,092.72 = 39,411.16 : x
  2. Step 2: Convert to fraction form
    57,270.04/79,092.72 = 39,411.16/x
  3. Step 3: Cross multiply
    57,270.04x = 79,092.72 × 39,411.16
  4. Step 4: Simplify right side
    57,270.04x = 3,117,135,842.76
  5. Step 5: Solve for x
    x = 3,117,135,842.76/57,270.04
  6. Step 6: Final answer
    x = 54,428.74

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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.