Home / 55,172.17-82,799.70-40,419.10

Finding the Fourth Proportional to 55,172.17, 82,799.70 and 40,419.10

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Solution

The fourth proportional to 55,172.17, 82,799.70 and 40,419.10 is: 60,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.17 : 82,799.70 = 40,419.10 : x
  2. Step 2: Convert to fraction form
    55,172.17/82,799.70 = 40,419.10/x
  3. Step 3: Cross multiply
    55,172.17x = 82,799.70 × 40,419.10
  4. Step 4: Simplify right side
    55,172.17x = 3,346,689,354.27
  5. Step 5: Solve for x
    x = 3,346,689,354.27/55,172.17
  6. Step 6: Final answer
    x = 60,659.01

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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.