Home / 38,228.23-52,753.13-21,233.55

Finding the Fourth Proportional to 38,228.23, 52,753.13 and 21,233.55

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Solution

The fourth proportional to 38,228.23, 52,753.13 and 21,233.55 is: 29,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.23 : 52,753.13 = 21,233.55 : x
  2. Step 2: Convert to fraction form
    38,228.23/52,753.13 = 21,233.55/x
  3. Step 3: Cross multiply
    38,228.23x = 52,753.13 × 21,233.55
  4. Step 4: Simplify right side
    38,228.23x = 1,120,136,117.34
  5. Step 5: Solve for x
    x = 1,120,136,117.34/38,228.23
  6. Step 6: Final answer
    x = 29,301.28

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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.