Home / 29,574.38-40,764.02-20,963.45

Finding the Fourth Proportional to 29,574.38, 40,764.02 and 20,963.45

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Solution

The fourth proportional to 29,574.38, 40,764.02 and 20,963.45 is: 28,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.38 : 40,764.02 = 20,963.45 : x
  2. Step 2: Convert to fraction form
    29,574.38/40,764.02 = 20,963.45/x
  3. Step 3: Cross multiply
    29,574.38x = 40,764.02 × 20,963.45
  4. Step 4: Simplify right side
    29,574.38x = 854,554,186.43
  5. Step 5: Solve for x
    x = 854,554,186.43/29,574.38
  6. Step 6: Final answer
    x = 28,895.09

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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.