Home / 36,461.61-54,637.74-28,129.14

Finding the Fourth Proportional to 36,461.61, 54,637.74 and 28,129.14

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Solution

The fourth proportional to 36,461.61, 54,637.74 and 28,129.14 is: 42,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,461.61 : 54,637.74 = 28,129.14 : x
  2. Step 2: Convert to fraction form
    36,461.61/54,637.74 = 28,129.14/x
  3. Step 3: Cross multiply
    36,461.61x = 54,637.74 × 28,129.14
  4. Step 4: Simplify right side
    36,461.61x = 1,536,912,637.74
  5. Step 5: Solve for x
    x = 1,536,912,637.74/36,461.61
  6. Step 6: Final answer
    x = 42,151.53

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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.