Home / 47,387.45-71,019.50-19,274.73

Finding the Fourth Proportional to 47,387.45, 71,019.50 and 19,274.73

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Solution

The fourth proportional to 47,387.45, 71,019.50 and 19,274.73 is: 28,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.45 : 71,019.50 = 19,274.73 : x
  2. Step 2: Convert to fraction form
    47,387.45/71,019.50 = 19,274.73/x
  3. Step 3: Cross multiply
    47,387.45x = 71,019.50 × 19,274.73
  4. Step 4: Simplify right side
    47,387.45x = 1,368,881,590.86
  5. Step 5: Solve for x
    x = 1,368,881,590.86/47,387.45
  6. Step 6: Final answer
    x = 28,887.01

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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.