Home / 53,521.90-80,283.05-17,982.21

Finding the Fourth Proportional to 53,521.90, 80,283.05 and 17,982.21

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Solution

The fourth proportional to 53,521.90, 80,283.05 and 17,982.21 is: 26,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,521.90 : 80,283.05 = 17,982.21 : x
  2. Step 2: Convert to fraction form
    53,521.90/80,283.05 = 17,982.21/x
  3. Step 3: Cross multiply
    53,521.90x = 80,283.05 × 17,982.21
  4. Step 4: Simplify right side
    53,521.90x = 1,443,666,664.54
  5. Step 5: Solve for x
    x = 1,443,666,664.54/53,521.90
  6. Step 6: Final answer
    x = 26,973.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.