Home / 55,478.28-83,215.59-22,189.40

Finding the Fourth Proportional to 55,478.28, 83,215.59 and 22,189.40

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Solution

The fourth proportional to 55,478.28, 83,215.59 and 22,189.40 is: 33,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.28 : 83,215.59 = 22,189.40 : x
  2. Step 2: Convert to fraction form
    55,478.28/83,215.59 = 22,189.40/x
  3. Step 3: Cross multiply
    55,478.28x = 83,215.59 × 22,189.40
  4. Step 4: Simplify right side
    55,478.28x = 1,846,504,116.77
  5. Step 5: Solve for x
    x = 1,846,504,116.77/55,478.28
  6. Step 6: Final answer
    x = 33,283.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.