Home / 39,429.73-54,274.92-34,385.05

Finding the Fourth Proportional to 39,429.73, 54,274.92 and 34,385.05

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Solution

The fourth proportional to 39,429.73, 54,274.92 and 34,385.05 is: 47,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.73 : 54,274.92 = 34,385.05 : x
  2. Step 2: Convert to fraction form
    39,429.73/54,274.92 = 34,385.05/x
  3. Step 3: Cross multiply
    39,429.73x = 54,274.92 × 34,385.05
  4. Step 4: Simplify right side
    39,429.73x = 1,866,245,837.95
  5. Step 5: Solve for x
    x = 1,866,245,837.95/39,429.73
  6. Step 6: Final answer
    x = 47,330.93

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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.