Home / 35,721.59-53,581.77-12,347.42

Finding the Fourth Proportional to 35,721.59, 53,581.77 and 12,347.42

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Solution

The fourth proportional to 35,721.59, 53,581.77 and 12,347.42 is: 18,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.59 : 53,581.77 = 12,347.42 : x
  2. Step 2: Convert to fraction form
    35,721.59/53,581.77 = 12,347.42/x
  3. Step 3: Cross multiply
    35,721.59x = 53,581.77 × 12,347.42
  4. Step 4: Simplify right side
    35,721.59x = 661,596,350.62
  5. Step 5: Solve for x
    x = 661,596,350.62/35,721.59
  6. Step 6: Final answer
    x = 18,520.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.