Home / 55,434.48-83,099.88-20,364.72

Finding the Fourth Proportional to 55,434.48, 83,099.88 and 20,364.72

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Solution

The fourth proportional to 55,434.48, 83,099.88 and 20,364.72 is: 30,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.48 : 83,099.88 = 20,364.72 : x
  2. Step 2: Convert to fraction form
    55,434.48/83,099.88 = 20,364.72/x
  3. Step 3: Cross multiply
    55,434.48x = 83,099.88 × 20,364.72
  4. Step 4: Simplify right side
    55,434.48x = 1,692,305,788.23
  5. Step 5: Solve for x
    x = 1,692,305,788.23/55,434.48
  6. Step 6: Final answer
    x = 30,528.04

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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.