Home / 41,742.10-62,623.40-12,160.19

Finding the Fourth Proportional to 41,742.10, 62,623.40 and 12,160.19

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Solution

The fourth proportional to 41,742.10, 62,623.40 and 12,160.19 is: 18,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,742.10 : 62,623.40 = 12,160.19 : x
  2. Step 2: Convert to fraction form
    41,742.10/62,623.40 = 12,160.19/x
  3. Step 3: Cross multiply
    41,742.10x = 62,623.40 × 12,160.19
  4. Step 4: Simplify right side
    41,742.10x = 761,512,381.65
  5. Step 5: Solve for x
    x = 761,512,381.65/41,742.10
  6. Step 6: Final answer
    x = 18,243.27

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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.