Home / 67,870.33-101,839.44-30,457.15

Finding the Fourth Proportional to 67,870.33, 101,839.44 and 30,457.15

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Solution

The fourth proportional to 67,870.33, 101,839.44 and 30,457.15 is: 45,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,870.33 : 101,839.44 = 30,457.15 : x
  2. Step 2: Convert to fraction form
    67,870.33/101,839.44 = 30,457.15/x
  3. Step 3: Cross multiply
    67,870.33x = 101,839.44 × 30,457.15
  4. Step 4: Simplify right side
    67,870.33x = 3,101,739,100.00
  5. Step 5: Solve for x
    x = 3,101,739,100.00/67,870.33
  6. Step 6: Final answer
    x = 45,700.96

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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.