Home / 47,949.12-66,177.58-28,848.20

Finding the Fourth Proportional to 47,949.12, 66,177.58 and 28,848.20

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Solution

The fourth proportional to 47,949.12, 66,177.58 and 28,848.20 is: 39,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.12 : 66,177.58 = 28,848.20 : x
  2. Step 2: Convert to fraction form
    47,949.12/66,177.58 = 28,848.20/x
  3. Step 3: Cross multiply
    47,949.12x = 66,177.58 × 28,848.20
  4. Step 4: Simplify right side
    47,949.12x = 1,909,104,063.36
  5. Step 5: Solve for x
    x = 1,909,104,063.36/47,949.12
  6. Step 6: Final answer
    x = 39,815.21

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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.