Home / 40,742.19-61,113.29-11,160.18

Finding the Fourth Proportional to 40,742.19, 61,113.29 and 11,160.18

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Solution

The fourth proportional to 40,742.19, 61,113.29 and 11,160.18 is: 16,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.19 : 61,113.29 = 11,160.18 : x
  2. Step 2: Convert to fraction form
    40,742.19/61,113.29 = 11,160.18/x
  3. Step 3: Cross multiply
    40,742.19x = 61,113.29 × 11,160.18
  4. Step 4: Simplify right side
    40,742.19x = 682,035,260.99
  5. Step 5: Solve for x
    x = 682,035,260.99/40,742.19
  6. Step 6: Final answer
    x = 16,740.27

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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.