Home / 47,930.24-66,148.65-28,816.25

Finding the Fourth Proportional to 47,930.24, 66,148.65 and 28,816.25

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Solution

The fourth proportional to 47,930.24, 66,148.65 and 28,816.25 is: 39,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930.24 : 66,148.65 = 28,816.25 : x
  2. Step 2: Convert to fraction form
    47,930.24/66,148.65 = 28,816.25/x
  3. Step 3: Cross multiply
    47,930.24x = 66,148.65 × 28,816.25
  4. Step 4: Simplify right side
    47,930.24x = 1,906,155,704.82
  5. Step 5: Solve for x
    x = 1,906,155,704.82/47,930.24
  6. Step 6: Final answer
    x = 39,769.38

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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.