Home / 45,233.80-67,869.90-21,848.20

Finding the Fourth Proportional to 45,233.80, 67,869.90 and 21,848.20

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Solution

The fourth proportional to 45,233.80, 67,869.90 and 21,848.20 is: 32,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.80 : 67,869.90 = 21,848.20 : x
  2. Step 2: Convert to fraction form
    45,233.80/67,869.90 = 21,848.20/x
  3. Step 3: Cross multiply
    45,233.80x = 67,869.90 × 21,848.20
  4. Step 4: Simplify right side
    45,233.80x = 1,482,835,149.18
  5. Step 5: Solve for x
    x = 1,482,835,149.18/45,233.80
  6. Step 6: Final answer
    x = 32,781.57

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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.