Home / 38,282.18-52,829.55-21,287.97

Finding the Fourth Proportional to 38,282.18, 52,829.55 and 21,287.97

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Solution

The fourth proportional to 38,282.18, 52,829.55 and 21,287.97 is: 29,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.18 : 52,829.55 = 21,287.97 : x
  2. Step 2: Convert to fraction form
    38,282.18/52,829.55 = 21,287.97/x
  3. Step 3: Cross multiply
    38,282.18x = 52,829.55 × 21,287.97
  4. Step 4: Simplify right side
    38,282.18x = 1,124,633,875.51
  5. Step 5: Solve for x
    x = 1,124,633,875.51/38,282.18
  6. Step 6: Final answer
    x = 29,377.48

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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.