Home / 40,535.20-60,802.80-28,069.30

Finding the Fourth Proportional to 40,535.20, 60,802.80 and 28,069.30

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Solution

The fourth proportional to 40,535.20, 60,802.80 and 28,069.30 is: 42,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,535.20 : 60,802.80 = 28,069.30 : x
  2. Step 2: Convert to fraction form
    40,535.20/60,802.80 = 28,069.30/x
  3. Step 3: Cross multiply
    40,535.20x = 60,802.80 × 28,069.30
  4. Step 4: Simplify right side
    40,535.20x = 1,706,692,034.04
  5. Step 5: Solve for x
    x = 1,706,692,034.04/40,535.20
  6. Step 6: Final answer
    x = 42,103.95

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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.