Home / 40,741.96-61,113-11,160.06

Finding the Fourth Proportional to 40,741.96, 61,113 and 11,160.06

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Solution

The fourth proportional to 40,741.96, 61,113 and 11,160.06 is: 16,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.96 : 61,113 = 11,160.06 : x
  2. Step 2: Convert to fraction form
    40,741.96/61,113 = 11,160.06/x
  3. Step 3: Cross multiply
    40,741.96x = 61,113 × 11,160.06
  4. Step 4: Simplify right side
    40,741.96x = 682,024,746.78
  5. Step 5: Solve for x
    x = 682,024,746.78/40,741.96
  6. Step 6: Final answer
    x = 16,740.11

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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.