Home / 53,358.40-80,041.65-15,915.54

Finding the Fourth Proportional to 53,358.40, 80,041.65 and 15,915.54

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Solution

The fourth proportional to 53,358.40, 80,041.65 and 15,915.54 is: 23,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.40 : 80,041.65 = 15,915.54 : x
  2. Step 2: Convert to fraction form
    53,358.40/80,041.65 = 15,915.54/x
  3. Step 3: Cross multiply
    53,358.40x = 80,041.65 × 15,915.54
  4. Step 4: Simplify right side
    53,358.40x = 1,273,906,082.24
  5. Step 5: Solve for x
    x = 1,273,906,082.24/53,358.40
  6. Step 6: Final answer
    x = 23,874.52

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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.