Home / 42,199.50-63,321.24-30,608.40

Finding the Fourth Proportional to 42,199.50, 63,321.24 and 30,608.40

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Solution

The fourth proportional to 42,199.50, 63,321.24 and 30,608.40 is: 45,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,199.50 : 63,321.24 = 30,608.40 : x
  2. Step 2: Convert to fraction form
    42,199.50/63,321.24 = 30,608.40/x
  3. Step 3: Cross multiply
    42,199.50x = 63,321.24 × 30,608.40
  4. Step 4: Simplify right side
    42,199.50x = 1,938,161,842.42
  5. Step 5: Solve for x
    x = 1,938,161,842.42/42,199.50
  6. Step 6: Final answer
    x = 45,928.55

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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.