Home / 38,009.68-52,453.42-21,242.68

Finding the Fourth Proportional to 38,009.68, 52,453.42 and 21,242.68

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Solution

The fourth proportional to 38,009.68, 52,453.42 and 21,242.68 is: 29,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.68 : 52,453.42 = 21,242.68 : x
  2. Step 2: Convert to fraction form
    38,009.68/52,453.42 = 21,242.68/x
  3. Step 3: Cross multiply
    38,009.68x = 52,453.42 × 21,242.68
  4. Step 4: Simplify right side
    38,009.68x = 1,114,251,031.73
  5. Step 5: Solve for x
    x = 1,114,251,031.73/38,009.68
  6. Step 6: Final answer
    x = 29,314.93

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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.