Home / 39,657.33-54,727.07-21,752.42

Finding the Fourth Proportional to 39,657.33, 54,727.07 and 21,752.42

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Solution

The fourth proportional to 39,657.33, 54,727.07 and 21,752.42 is: 30,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.33 : 54,727.07 = 21,752.42 : x
  2. Step 2: Convert to fraction form
    39,657.33/54,727.07 = 21,752.42/x
  3. Step 3: Cross multiply
    39,657.33x = 54,727.07 × 21,752.42
  4. Step 4: Simplify right side
    39,657.33x = 1,190,445,829.61
  5. Step 5: Solve for x
    x = 1,190,445,829.61/39,657.33
  6. Step 6: Final answer
    x = 30,018.31

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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.