Home / 45,212.13-67,821.88-22,711.23

Finding the Fourth Proportional to 45,212.13, 67,821.88 and 22,711.23

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Solution

The fourth proportional to 45,212.13, 67,821.88 and 22,711.23 is: 34,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.13 : 67,821.88 = 22,711.23 : x
  2. Step 2: Convert to fraction form
    45,212.13/67,821.88 = 22,711.23/x
  3. Step 3: Cross multiply
    45,212.13x = 67,821.88 × 22,711.23
  4. Step 4: Simplify right side
    45,212.13x = 1,540,318,315.71
  5. Step 5: Solve for x
    x = 1,540,318,315.71/45,212.13
  6. Step 6: Final answer
    x = 34,068.70

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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.