Home / 38,019.68-52,470.89-21,027.90

Finding the Fourth Proportional to 38,019.68, 52,470.89 and 21,027.90

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Solution

The fourth proportional to 38,019.68, 52,470.89 and 21,027.90 is: 29,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.68 : 52,470.89 = 21,027.90 : x
  2. Step 2: Convert to fraction form
    38,019.68/52,470.89 = 21,027.90/x
  3. Step 3: Cross multiply
    38,019.68x = 52,470.89 × 21,027.90
  4. Step 4: Simplify right side
    38,019.68x = 1,103,352,798.31
  5. Step 5: Solve for x
    x = 1,103,352,798.31/38,019.68
  6. Step 6: Final answer
    x = 29,020.57

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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.