Home / 67,113.05-100,670.18-20,365.93

Finding the Fourth Proportional to 67,113.05, 100,670.18 and 20,365.93

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Solution

The fourth proportional to 67,113.05, 100,670.18 and 20,365.93 is: 30,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.05 : 100,670.18 = 20,365.93 : x
  2. Step 2: Convert to fraction form
    67,113.05/100,670.18 = 20,365.93/x
  3. Step 3: Cross multiply
    67,113.05x = 100,670.18 × 20,365.93
  4. Step 4: Simplify right side
    67,113.05x = 2,050,241,335.62
  5. Step 5: Solve for x
    x = 2,050,241,335.62/67,113.05
  6. Step 6: Final answer
    x = 30,549.07

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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.