Home / 39,377.93-54,340.35-21,473.29

Finding the Fourth Proportional to 39,377.93, 54,340.35 and 21,473.29

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Solution

The fourth proportional to 39,377.93, 54,340.35 and 21,473.29 is: 29,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.93 : 54,340.35 = 21,473.29 : x
  2. Step 2: Convert to fraction form
    39,377.93/54,340.35 = 21,473.29/x
  3. Step 3: Cross multiply
    39,377.93x = 54,340.35 × 21,473.29
  4. Step 4: Simplify right side
    39,377.93x = 1,166,866,094.25
  5. Step 5: Solve for x
    x = 1,166,866,094.25/39,377.93
  6. Step 6: Final answer
    x = 29,632.49

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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.