Home / 34,798.16-48,005.52-20,645.84

Finding the Fourth Proportional to 34,798.16, 48,005.52 and 20,645.84

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Solution

The fourth proportional to 34,798.16, 48,005.52 and 20,645.84 is: 28,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,798.16 : 48,005.52 = 20,645.84 : x
  2. Step 2: Convert to fraction form
    34,798.16/48,005.52 = 20,645.84/x
  3. Step 3: Cross multiply
    34,798.16x = 48,005.52 × 20,645.84
  4. Step 4: Simplify right side
    34,798.16x = 991,114,285.04
  5. Step 5: Solve for x
    x = 991,114,285.04/34,798.16
  6. Step 6: Final answer
    x = 28,481.80

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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.