Home / 47,273.85-70,935.68-20,981.25

Finding the Fourth Proportional to 47,273.85, 70,935.68 and 20,981.25

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Solution

The fourth proportional to 47,273.85, 70,935.68 and 20,981.25 is: 31,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273.85 : 70,935.68 = 20,981.25 : x
  2. Step 2: Convert to fraction form
    47,273.85/70,935.68 = 20,981.25/x
  3. Step 3: Cross multiply
    47,273.85x = 70,935.68 × 20,981.25
  4. Step 4: Simplify right side
    47,273.85x = 1,488,319,288.45
  5. Step 5: Solve for x
    x = 1,488,319,288.45/47,273.85
  6. Step 6: Final answer
    x = 31,482.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.