Home / 39,869.96-55,010.46-25,328.84

Finding the Fourth Proportional to 39,869.96, 55,010.46 and 25,328.84

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Solution

The fourth proportional to 39,869.96, 55,010.46 and 25,328.84 is: 34,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.96 : 55,010.46 = 25,328.84 : x
  2. Step 2: Convert to fraction form
    39,869.96/55,010.46 = 25,328.84/x
  3. Step 3: Cross multiply
    39,869.96x = 55,010.46 × 25,328.84
  4. Step 4: Simplify right side
    39,869.96x = 1,393,351,139.67
  5. Step 5: Solve for x
    x = 1,393,351,139.67/39,869.96
  6. Step 6: Final answer
    x = 34,947.39

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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.