Home / 67,113.74-100,670.63-19,728.83

Finding the Fourth Proportional to 67,113.74, 100,670.63 and 19,728.83

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Solution

The fourth proportional to 67,113.74, 100,670.63 and 19,728.83 is: 29,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.74 : 100,670.63 = 19,728.83 : x
  2. Step 2: Convert to fraction form
    67,113.74/100,670.63 = 19,728.83/x
  3. Step 3: Cross multiply
    67,113.74x = 100,670.63 × 19,728.83
  4. Step 4: Simplify right side
    67,113.74x = 1,986,114,046.26
  5. Step 5: Solve for x
    x = 1,986,114,046.26/67,113.74
  6. Step 6: Final answer
    x = 29,593.26

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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.