Home / 42,220.40-63,338.24-20,033.55

Finding the Fourth Proportional to 42,220.40, 63,338.24 and 20,033.55

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Solution

The fourth proportional to 42,220.40, 63,338.24 and 20,033.55 is: 30,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.40 : 63,338.24 = 20,033.55 : x
  2. Step 2: Convert to fraction form
    42,220.40/63,338.24 = 20,033.55/x
  3. Step 3: Cross multiply
    42,220.40x = 63,338.24 × 20,033.55
  4. Step 4: Simplify right side
    42,220.40x = 1,268,889,848.04
  5. Step 5: Solve for x
    x = 1,268,889,848.04/42,220.40
  6. Step 6: Final answer
    x = 30,053.95

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1.5x scale

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.