Home / 30,947.66-42,726.39-29,176.46

Finding the Fourth Proportional to 30,947.66, 42,726.39 and 29,176.46

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Solution

The fourth proportional to 30,947.66, 42,726.39 and 29,176.46 is: 40,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.66 : 42,726.39 = 29,176.46 : x
  2. Step 2: Convert to fraction form
    30,947.66/42,726.39 = 29,176.46/x
  3. Step 3: Cross multiply
    30,947.66x = 42,726.39 × 29,176.46
  4. Step 4: Simplify right side
    30,947.66x = 1,246,604,808.78
  5. Step 5: Solve for x
    x = 1,246,604,808.78/30,947.66
  6. Step 6: Final answer
    x = 40,281.07

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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.