Home / 42,122.43-63,183.65-10,955.25

Finding the Fourth Proportional to 42,122.43, 63,183.65 and 10,955.25

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Solution

The fourth proportional to 42,122.43, 63,183.65 and 10,955.25 is: 16,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.43 : 63,183.65 = 10,955.25 : x
  2. Step 2: Convert to fraction form
    42,122.43/63,183.65 = 10,955.25/x
  3. Step 3: Cross multiply
    42,122.43x = 63,183.65 × 10,955.25
  4. Step 4: Simplify right side
    42,122.43x = 692,192,626.89
  5. Step 5: Solve for x
    x = 692,192,626.89/42,122.43
  6. Step 6: Final answer
    x = 16,432.88

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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.