Home / 34,798.13-48,018.78-20,458.55

Finding the Fourth Proportional to 34,798.13, 48,018.78 and 20,458.55

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Solution

The fourth proportional to 34,798.13, 48,018.78 and 20,458.55 is: 28,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,798.13 : 48,018.78 = 20,458.55 : x
  2. Step 2: Convert to fraction form
    34,798.13/48,018.78 = 20,458.55/x
  3. Step 3: Cross multiply
    34,798.13x = 48,018.78 × 20,458.55
  4. Step 4: Simplify right side
    34,798.13x = 982,394,440.38
  5. Step 5: Solve for x
    x = 982,394,440.38/34,798.13
  6. Step 6: Final answer
    x = 28,231.24

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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.