Home / 39,389.50-54,357.51-29,326.60

Finding the Fourth Proportional to 39,389.50, 54,357.51 and 29,326.60

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Solution

The fourth proportional to 39,389.50, 54,357.51 and 29,326.60 is: 40,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.50 : 54,357.51 = 29,326.60 : x
  2. Step 2: Convert to fraction form
    39,389.50/54,357.51 = 29,326.60/x
  3. Step 3: Cross multiply
    39,389.50x = 54,357.51 × 29,326.60
  4. Step 4: Simplify right side
    39,389.50x = 1,594,120,952.77
  5. Step 5: Solve for x
    x = 1,594,120,952.77/39,389.50
  6. Step 6: Final answer
    x = 40,470.71

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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.