Home / 38,575.56-53,244-21,818.28

Finding the Fourth Proportional to 38,575.56, 53,244 and 21,818.28

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Solution

The fourth proportional to 38,575.56, 53,244 and 21,818.28 is: 30,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.56 : 53,244 = 21,818.28 : x
  2. Step 2: Convert to fraction form
    38,575.56/53,244 = 21,818.28/x
  3. Step 3: Cross multiply
    38,575.56x = 53,244 × 21,818.28
  4. Step 4: Simplify right side
    38,575.56x = 1,161,692,500.32
  5. Step 5: Solve for x
    x = 1,161,692,500.32/38,575.56
  6. Step 6: Final answer
    x = 30,114.73

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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.