Home / 34,778.80-47,979.84-23,455.60

Finding the Fourth Proportional to 34,778.80, 47,979.84 and 23,455.60

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Solution

The fourth proportional to 34,778.80, 47,979.84 and 23,455.60 is: 32,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.80 : 47,979.84 = 23,455.60 : x
  2. Step 2: Convert to fraction form
    34,778.80/47,979.84 = 23,455.60/x
  3. Step 3: Cross multiply
    34,778.80x = 47,979.84 × 23,455.60
  4. Step 4: Simplify right side
    34,778.80x = 1,125,395,935.10
  5. Step 5: Solve for x
    x = 1,125,395,935.10/34,778.80
  6. Step 6: Final answer
    x = 32,358.68

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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.