Home / 40,731.47-61,094.95-11,147.19

Finding the Fourth Proportional to 40,731.47, 61,094.95 and 11,147.19

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Solution

The fourth proportional to 40,731.47, 61,094.95 and 11,147.19 is: 16,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.47 : 61,094.95 = 11,147.19 : x
  2. Step 2: Convert to fraction form
    40,731.47/61,094.95 = 11,147.19/x
  3. Step 3: Cross multiply
    40,731.47x = 61,094.95 × 11,147.19
  4. Step 4: Simplify right side
    40,731.47x = 681,037,015.69
  5. Step 5: Solve for x
    x = 681,037,015.69/40,731.47
  6. Step 6: Final answer
    x = 16,720.17

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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.