Home / 55,445.50-76,515.33-30,295

Finding the Fourth Proportional to 55,445.50, 76,515.33 and 30,295

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Solution

The fourth proportional to 55,445.50, 76,515.33 and 30,295 is: 41,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.50 : 76,515.33 = 30,295 : x
  2. Step 2: Convert to fraction form
    55,445.50/76,515.33 = 30,295/x
  3. Step 3: Cross multiply
    55,445.50x = 76,515.33 × 30,295
  4. Step 4: Simplify right side
    55,445.50x = 2,318,031,922.35
  5. Step 5: Solve for x
    x = 2,318,031,922.35/55,445.50
  6. Step 6: Final answer
    x = 41,807.40

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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.