Home / 40,964.50-61,389.60-30,961.03

Finding the Fourth Proportional to 40,964.50, 61,389.60 and 30,961.03

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Solution

The fourth proportional to 40,964.50, 61,389.60 and 30,961.03 is: 46,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,964.50 : 61,389.60 = 30,961.03 : x
  2. Step 2: Convert to fraction form
    40,964.50/61,389.60 = 30,961.03/x
  3. Step 3: Cross multiply
    40,964.50x = 61,389.60 × 30,961.03
  4. Step 4: Simplify right side
    40,964.50x = 1,900,685,247.29
  5. Step 5: Solve for x
    x = 1,900,685,247.29/40,964.50
  6. Step 6: Final answer
    x = 46,398.35

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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.