Home / 35,775.54-49,370.13-19,860.66

Finding the Fourth Proportional to 35,775.54, 49,370.13 and 19,860.66

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Solution

The fourth proportional to 35,775.54, 49,370.13 and 19,860.66 is: 27,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.54 : 49,370.13 = 19,860.66 : x
  2. Step 2: Convert to fraction form
    35,775.54/49,370.13 = 19,860.66/x
  3. Step 3: Cross multiply
    35,775.54x = 49,370.13 × 19,860.66
  4. Step 4: Simplify right side
    35,775.54x = 980,523,366.09
  5. Step 5: Solve for x
    x = 980,523,366.09/35,775.54
  6. Step 6: Final answer
    x = 27,407.65

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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.