Home / 42,222.80-63,334.20-25,601.60

Finding the Fourth Proportional to 42,222.80, 63,334.20 and 25,601.60

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Solution

The fourth proportional to 42,222.80, 63,334.20 and 25,601.60 is: 38,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.80 : 63,334.20 = 25,601.60 : x
  2. Step 2: Convert to fraction form
    42,222.80/63,334.20 = 25,601.60/x
  3. Step 3: Cross multiply
    42,222.80x = 63,334.20 × 25,601.60
  4. Step 4: Simplify right side
    42,222.80x = 1,621,456,854.72
  5. Step 5: Solve for x
    x = 1,621,456,854.72/42,222.80
  6. Step 6: Final answer
    x = 38,402.40

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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.