Home / 66,269.08-91,448.46-37,977.40

Finding the Fourth Proportional to 66,269.08, 91,448.46 and 37,977.40

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Solution

The fourth proportional to 66,269.08, 91,448.46 and 37,977.40 is: 52,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.08 : 91,448.46 = 37,977.40 : x
  2. Step 2: Convert to fraction form
    66,269.08/91,448.46 = 37,977.40/x
  3. Step 3: Cross multiply
    66,269.08x = 91,448.46 × 37,977.40
  4. Step 4: Simplify right side
    66,269.08x = 3,472,974,744.80
  5. Step 5: Solve for x
    x = 3,472,974,744.80/66,269.08
  6. Step 6: Final answer
    x = 52,407.17

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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.