Home / 66,470.24-91,734.40-38,185.04

Finding the Fourth Proportional to 66,470.24, 91,734.40 and 38,185.04

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Solution

The fourth proportional to 66,470.24, 91,734.40 and 38,185.04 is: 52,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470.24 : 91,734.40 = 38,185.04 : x
  2. Step 2: Convert to fraction form
    66,470.24/91,734.40 = 38,185.04/x
  3. Step 3: Cross multiply
    66,470.24x = 91,734.40 × 38,185.04
  4. Step 4: Simplify right side
    66,470.24x = 3,502,881,733.38
  5. Step 5: Solve for x
    x = 3,502,881,733.38/66,470.24
  6. Step 6: Final answer
    x = 52,698.50

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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.