Home / 41,215.47-61,822.04-13,137.20

Finding the Fourth Proportional to 41,215.47, 61,822.04 and 13,137.20

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Solution

The fourth proportional to 41,215.47, 61,822.04 and 13,137.20 is: 19,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,215.47 : 61,822.04 = 13,137.20 : x
  2. Step 2: Convert to fraction form
    41,215.47/61,822.04 = 13,137.20/x
  3. Step 3: Cross multiply
    41,215.47x = 61,822.04 × 13,137.20
  4. Step 4: Simplify right side
    41,215.47x = 812,168,503.89
  5. Step 5: Solve for x
    x = 812,168,503.89/41,215.47
  6. Step 6: Final answer
    x = 19,705.43

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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.