Home / 37,836.90-52,206.96-21,920.40

Finding the Fourth Proportional to 37,836.90, 52,206.96 and 21,920.40

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Solution

The fourth proportional to 37,836.90, 52,206.96 and 21,920.40 is: 30,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.90 : 52,206.96 = 21,920.40 : x
  2. Step 2: Convert to fraction form
    37,836.90/52,206.96 = 21,920.40/x
  3. Step 3: Cross multiply
    37,836.90x = 52,206.96 × 21,920.40
  4. Step 4: Simplify right side
    37,836.90x = 1,144,397,445.98
  5. Step 5: Solve for x
    x = 1,144,397,445.98/37,836.90
  6. Step 6: Final answer
    x = 30,245.54

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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.