Home / 45,017.04-67,487.70-21,310.86

Finding the Fourth Proportional to 45,017.04, 67,487.70 and 21,310.86

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Solution

The fourth proportional to 45,017.04, 67,487.70 and 21,310.86 is: 31,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.04 : 67,487.70 = 21,310.86 : x
  2. Step 2: Convert to fraction form
    45,017.04/67,487.70 = 21,310.86/x
  3. Step 3: Cross multiply
    45,017.04x = 67,487.70 × 21,310.86
  4. Step 4: Simplify right side
    45,017.04x = 1,438,220,926.42
  5. Step 5: Solve for x
    x = 1,438,220,926.42/45,017.04
  6. Step 6: Final answer
    x = 31,948.37

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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.