Home / 39,199.71-54,095.97-21,295.06

Finding the Fourth Proportional to 39,199.71, 54,095.97 and 21,295.06

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Solution

The fourth proportional to 39,199.71, 54,095.97 and 21,295.06 is: 29,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.71 : 54,095.97 = 21,295.06 : x
  2. Step 2: Convert to fraction form
    39,199.71/54,095.97 = 21,295.06/x
  3. Step 3: Cross multiply
    39,199.71x = 54,095.97 × 21,295.06
  4. Step 4: Simplify right side
    39,199.71x = 1,151,976,926.91
  5. Step 5: Solve for x
    x = 1,151,976,926.91/39,199.71
  6. Step 6: Final answer
    x = 29,387.38

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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.