Home / 40,908.10-61,362.30-12,445.33

Finding the Fourth Proportional to 40,908.10, 61,362.30 and 12,445.33

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Solution

The fourth proportional to 40,908.10, 61,362.30 and 12,445.33 is: 18,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.10 : 61,362.30 = 12,445.33 : x
  2. Step 2: Convert to fraction form
    40,908.10/61,362.30 = 12,445.33/x
  3. Step 3: Cross multiply
    40,908.10x = 61,362.30 × 12,445.33
  4. Step 4: Simplify right side
    40,908.10x = 763,674,073.06
  5. Step 5: Solve for x
    x = 763,674,073.06/40,908.10
  6. Step 6: Final answer
    x = 18,668.04

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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.