Home / 35,979.47-49,651.88-20,064.93

Finding the Fourth Proportional to 35,979.47, 49,651.88 and 20,064.93

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Solution

The fourth proportional to 35,979.47, 49,651.88 and 20,064.93 is: 27,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.47 : 49,651.88 = 20,064.93 : x
  2. Step 2: Convert to fraction form
    35,979.47/49,651.88 = 20,064.93/x
  3. Step 3: Cross multiply
    35,979.47x = 49,651.88 × 20,064.93
  4. Step 4: Simplify right side
    35,979.47x = 996,261,496.57
  5. Step 5: Solve for x
    x = 996,261,496.57/35,979.47
  6. Step 6: Final answer
    x = 27,689.72

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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.