Home / 39,880.20-59,909.40-33,319.20

Finding the Fourth Proportional to 39,880.20, 59,909.40 and 33,319.20

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Solution

The fourth proportional to 39,880.20, 59,909.40 and 33,319.20 is: 50,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.20 : 59,909.40 = 33,319.20 : x
  2. Step 2: Convert to fraction form
    39,880.20/59,909.40 = 33,319.20/x
  3. Step 3: Cross multiply
    39,880.20x = 59,909.40 × 33,319.20
  4. Step 4: Simplify right side
    39,880.20x = 1,996,133,280.48
  5. Step 5: Solve for x
    x = 1,996,133,280.48/39,880.20
  6. Step 6: Final answer
    x = 50,053.24

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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.