Home / 38,021.64-52,470.20-21,027.02

Finding the Fourth Proportional to 38,021.64, 52,470.20 and 21,027.02

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Solution

The fourth proportional to 38,021.64, 52,470.20 and 21,027.02 is: 29,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.64 : 52,470.20 = 21,027.02 : x
  2. Step 2: Convert to fraction form
    38,021.64/52,470.20 = 21,027.02/x
  3. Step 3: Cross multiply
    38,021.64x = 52,470.20 × 21,027.02
  4. Step 4: Simplify right side
    38,021.64x = 1,103,291,839.67
  5. Step 5: Solve for x
    x = 1,103,291,839.67/38,021.64
  6. Step 6: Final answer
    x = 29,017.47

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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.