Home / 45,117.16-67,649.18-21,074.92

Finding the Fourth Proportional to 45,117.16, 67,649.18 and 21,074.92

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Solution

The fourth proportional to 45,117.16, 67,649.18 and 21,074.92 is: 31,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.16 : 67,649.18 = 21,074.92 : x
  2. Step 2: Convert to fraction form
    45,117.16/67,649.18 = 21,074.92/x
  3. Step 3: Cross multiply
    45,117.16x = 67,649.18 × 21,074.92
  4. Step 4: Simplify right side
    45,117.16x = 1,425,701,056.57
  5. Step 5: Solve for x
    x = 1,425,701,056.57/45,117.16
  6. Step 6: Final answer
    x = 31,599.97

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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.