Home / 42,716.17-64,087.25-20,244.06

Finding the Fourth Proportional to 42,716.17, 64,087.25 and 20,244.06

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Solution

The fourth proportional to 42,716.17, 64,087.25 and 20,244.06 is: 30,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.17 : 64,087.25 = 20,244.06 : x
  2. Step 2: Convert to fraction form
    42,716.17/64,087.25 = 20,244.06/x
  3. Step 3: Cross multiply
    42,716.17x = 64,087.25 × 20,244.06
  4. Step 4: Simplify right side
    42,716.17x = 1,297,386,134.24
  5. Step 5: Solve for x
    x = 1,297,386,134.24/42,716.17
  6. Step 6: Final answer
    x = 30,372.25

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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.