Home / 52,615.20-72,610.74-28,744.10

Finding the Fourth Proportional to 52,615.20, 72,610.74 and 28,744.10

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Solution

The fourth proportional to 52,615.20, 72,610.74 and 28,744.10 is: 39,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.20 : 72,610.74 = 28,744.10 : x
  2. Step 2: Convert to fraction form
    52,615.20/72,610.74 = 28,744.10/x
  3. Step 3: Cross multiply
    52,615.20x = 72,610.74 × 28,744.10
  4. Step 4: Simplify right side
    52,615.20x = 2,087,130,371.63
  5. Step 5: Solve for x
    x = 2,087,130,371.63/52,615.20
  6. Step 6: Final answer
    x = 39,667.82

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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.