Home / 39,852.96-54,996.67-21,947.59

Finding the Fourth Proportional to 39,852.96, 54,996.67 and 21,947.59

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Solution

The fourth proportional to 39,852.96, 54,996.67 and 21,947.59 is: 30,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.96 : 54,996.67 = 21,947.59 : x
  2. Step 2: Convert to fraction form
    39,852.96/54,996.67 = 21,947.59/x
  3. Step 3: Cross multiply
    39,852.96x = 54,996.67 × 21,947.59
  4. Step 4: Simplify right side
    39,852.96x = 1,207,044,364.53
  5. Step 5: Solve for x
    x = 1,207,044,364.53/39,852.96
  6. Step 6: Final answer
    x = 30,287.45

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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.