Home / 55,005.62-75,830.18-39,084.26

Finding the Fourth Proportional to 55,005.62, 75,830.18 and 39,084.26

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Solution

The fourth proportional to 55,005.62, 75,830.18 and 39,084.26 is: 53,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.62 : 75,830.18 = 39,084.26 : x
  2. Step 2: Convert to fraction form
    55,005.62/75,830.18 = 39,084.26/x
  3. Step 3: Cross multiply
    55,005.62x = 75,830.18 × 39,084.26
  4. Step 4: Simplify right side
    55,005.62x = 2,963,766,470.97
  5. Step 5: Solve for x
    x = 2,963,766,470.97/55,005.62
  6. Step 6: Final answer
    x = 53,881.16

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1.5x scale

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.