Home / 40,302.80-60,389.40-33,693.20

Finding the Fourth Proportional to 40,302.80, 60,389.40 and 33,693.20

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Solution

The fourth proportional to 40,302.80, 60,389.40 and 33,693.20 is: 50,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.80 : 60,389.40 = 33,693.20 : x
  2. Step 2: Convert to fraction form
    40,302.80/60,389.40 = 33,693.20/x
  3. Step 3: Cross multiply
    40,302.80x = 60,389.40 × 33,693.20
  4. Step 4: Simplify right side
    40,302.80x = 2,034,712,132.08
  5. Step 5: Solve for x
    x = 2,034,712,132.08/40,302.80
  6. Step 6: Final answer
    x = 50,485.63

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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.