Home / 53,290.85-73,543.75-30,637.17

Finding the Fourth Proportional to 53,290.85, 73,543.75 and 30,637.17

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Solution

The fourth proportional to 53,290.85, 73,543.75 and 30,637.17 is: 42,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.85 : 73,543.75 = 30,637.17 : x
  2. Step 2: Convert to fraction form
    53,290.85/73,543.75 = 30,637.17/x
  3. Step 3: Cross multiply
    53,290.85x = 73,543.75 × 30,637.17
  4. Step 4: Simplify right side
    53,290.85x = 2,253,172,294.59
  5. Step 5: Solve for x
    x = 2,253,172,294.59/53,290.85
  6. Step 6: Final answer
    x = 42,280.66

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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.