Home / 40,742.03-61,113.09-11,160.12

Finding the Fourth Proportional to 40,742.03, 61,113.09 and 11,160.12

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Solution

The fourth proportional to 40,742.03, 61,113.09 and 11,160.12 is: 16,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.03 : 61,113.09 = 11,160.12 : x
  2. Step 2: Convert to fraction form
    40,742.03/61,113.09 = 11,160.12/x
  3. Step 3: Cross multiply
    40,742.03x = 61,113.09 × 11,160.12
  4. Step 4: Simplify right side
    40,742.03x = 682,029,417.97
  5. Step 5: Solve for x
    x = 682,029,417.97/40,742.03
  6. Step 6: Final answer
    x = 16,740.19

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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.