Home / 42,169.01-63,264.47-12,586.84

Finding the Fourth Proportional to 42,169.01, 63,264.47 and 12,586.84

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Solution

The fourth proportional to 42,169.01, 63,264.47 and 12,586.84 is: 18,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.01 : 63,264.47 = 12,586.84 : x
  2. Step 2: Convert to fraction form
    42,169.01/63,264.47 = 12,586.84/x
  3. Step 3: Cross multiply
    42,169.01x = 63,264.47 × 12,586.84
  4. Step 4: Simplify right side
    42,169.01x = 796,299,540.48
  5. Step 5: Solve for x
    x = 796,299,540.48/42,169.01
  6. Step 6: Final answer
    x = 18,883.53

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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.