Home / 34,821.90-48,023.28-28,105.38

Finding the Fourth Proportional to 34,821.90, 48,023.28 and 28,105.38

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Solution

The fourth proportional to 34,821.90, 48,023.28 and 28,105.38 is: 38,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.90 : 48,023.28 = 28,105.38 : x
  2. Step 2: Convert to fraction form
    34,821.90/48,023.28 = 28,105.38/x
  3. Step 3: Cross multiply
    34,821.90x = 48,023.28 × 28,105.38
  4. Step 4: Simplify right side
    34,821.90x = 1,349,712,533.25
  5. Step 5: Solve for x
    x = 1,349,712,533.25/34,821.90
  6. Step 6: Final answer
    x = 38,760.45

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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.