Home / 37,560.80-51,826.20-21,641.12

Finding the Fourth Proportional to 37,560.80, 51,826.20 and 21,641.12

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Solution

The fourth proportional to 37,560.80, 51,826.20 and 21,641.12 is: 29,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,560.80 : 51,826.20 = 21,641.12 : x
  2. Step 2: Convert to fraction form
    37,560.80/51,826.20 = 21,641.12/x
  3. Step 3: Cross multiply
    37,560.80x = 51,826.20 × 21,641.12
  4. Step 4: Simplify right side
    37,560.80x = 1,121,577,013.34
  5. Step 5: Solve for x
    x = 1,121,577,013.34/37,560.80
  6. Step 6: Final answer
    x = 29,860.31

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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.