Home / 39,965.06-55,145.50-22,966.02

Finding the Fourth Proportional to 39,965.06, 55,145.50 and 22,966.02

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Solution

The fourth proportional to 39,965.06, 55,145.50 and 22,966.02 is: 31,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.06 : 55,145.50 = 22,966.02 : x
  2. Step 2: Convert to fraction form
    39,965.06/55,145.50 = 22,966.02/x
  3. Step 3: Cross multiply
    39,965.06x = 55,145.50 × 22,966.02
  4. Step 4: Simplify right side
    39,965.06x = 1,266,472,598.49
  5. Step 5: Solve for x
    x = 1,266,472,598.49/39,965.06
  6. Step 6: Final answer
    x = 31,689.49

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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.