Home / 47,918.80-66,066.51-39,273.17

Finding the Fourth Proportional to 47,918.80, 66,066.51 and 39,273.17

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Solution

The fourth proportional to 47,918.80, 66,066.51 and 39,273.17 is: 54,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.80 : 66,066.51 = 39,273.17 : x
  2. Step 2: Convert to fraction form
    47,918.80/66,066.51 = 39,273.17/x
  3. Step 3: Cross multiply
    47,918.80x = 66,066.51 × 39,273.17
  4. Step 4: Simplify right side
    47,918.80x = 2,594,641,095.48
  5. Step 5: Solve for x
    x = 2,594,641,095.48/47,918.80
  6. Step 6: Final answer
    x = 54,146.62

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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.