Home / 50,140.48-69,201.12-28,915.52

Finding the Fourth Proportional to 50,140.48, 69,201.12 and 28,915.52

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Solution

The fourth proportional to 50,140.48, 69,201.12 and 28,915.52 is: 39,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.48 : 69,201.12 = 28,915.52 : x
  2. Step 2: Convert to fraction form
    50,140.48/69,201.12 = 28,915.52/x
  3. Step 3: Cross multiply
    50,140.48x = 69,201.12 × 28,915.52
  4. Step 4: Simplify right side
    50,140.48x = 2,000,986,369.38
  5. Step 5: Solve for x
    x = 2,000,986,369.38/50,140.48
  6. Step 6: Final answer
    x = 39,907.60

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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.