Home / 66,250.34-91,395.32-39,377.58

Finding the Fourth Proportional to 66,250.34, 91,395.32 and 39,377.58

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Solution

The fourth proportional to 66,250.34, 91,395.32 and 39,377.58 is: 54,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.34 : 91,395.32 = 39,377.58 : x
  2. Step 2: Convert to fraction form
    66,250.34/91,395.32 = 39,377.58/x
  3. Step 3: Cross multiply
    66,250.34x = 91,395.32 × 39,377.58
  4. Step 4: Simplify right side
    66,250.34x = 3,598,926,328.04
  5. Step 5: Solve for x
    x = 3,598,926,328.04/66,250.34
  6. Step 6: Final answer
    x = 54,323.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.