Home / 38,309.98-52,862.06-21,539.74

Finding the Fourth Proportional to 38,309.98, 52,862.06 and 21,539.74

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Solution

The fourth proportional to 38,309.98, 52,862.06 and 21,539.74 is: 29,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.98 : 52,862.06 = 21,539.74 : x
  2. Step 2: Convert to fraction form
    38,309.98/52,862.06 = 21,539.74/x
  3. Step 3: Cross multiply
    38,309.98x = 52,862.06 × 21,539.74
  4. Step 4: Simplify right side
    38,309.98x = 1,138,635,028.26
  5. Step 5: Solve for x
    x = 1,138,635,028.26/38,309.98
  6. Step 6: Final answer
    x = 29,721.63

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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.