Home / 41,294.08-61,941.12-17,920

Finding the Fourth Proportional to 41,294.08, 61,941.12 and 17,920

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Solution

The fourth proportional to 41,294.08, 61,941.12 and 17,920 is: 26,880

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,294.08 : 61,941.12 = 17,920 : x
  2. Step 2: Convert to fraction form
    41,294.08/61,941.12 = 17,920/x
  3. Step 3: Cross multiply
    41,294.08x = 61,941.12 × 17,920
  4. Step 4: Simplify right side
    41,294.08x = 1,109,984,870.40
  5. Step 5: Solve for x
    x = 1,109,984,870.40/41,294.08
  6. Step 6: Final answer
    x = 26,880

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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.