Home / 35,608.88-49,140.04-21,275.20

Finding the Fourth Proportional to 35,608.88, 49,140.04 and 21,275.20

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Solution

The fourth proportional to 35,608.88, 49,140.04 and 21,275.20 is: 29,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.88 : 49,140.04 = 21,275.20 : x
  2. Step 2: Convert to fraction form
    35,608.88/49,140.04 = 21,275.20/x
  3. Step 3: Cross multiply
    35,608.88x = 49,140.04 × 21,275.20
  4. Step 4: Simplify right side
    35,608.88x = 1,045,464,179.01
  5. Step 5: Solve for x
    x = 1,045,464,179.01/35,608.88
  6. Step 6: Final answer
    x = 29,359.65

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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.