Home / 38,201.79-52,717.65-21,205.04

Finding the Fourth Proportional to 38,201.79, 52,717.65 and 21,205.04

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Solution

The fourth proportional to 38,201.79, 52,717.65 and 21,205.04 is: 29,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.79 : 52,717.65 = 21,205.04 : x
  2. Step 2: Convert to fraction form
    38,201.79/52,717.65 = 21,205.04/x
  3. Step 3: Cross multiply
    38,201.79x = 52,717.65 × 21,205.04
  4. Step 4: Simplify right side
    38,201.79x = 1,117,879,876.96
  5. Step 5: Solve for x
    x = 1,117,879,876.96/38,201.79
  6. Step 6: Final answer
    x = 29,262.50

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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.