Home / 47,590.86-71,386.78-19,503.70

Finding the Fourth Proportional to 47,590.86, 71,386.78 and 19,503.70

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Solution

The fourth proportional to 47,590.86, 71,386.78 and 19,503.70 is: 29,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.86 : 71,386.78 = 19,503.70 : x
  2. Step 2: Convert to fraction form
    47,590.86/71,386.78 = 19,503.70/x
  3. Step 3: Cross multiply
    47,590.86x = 71,386.78 × 19,503.70
  4. Step 4: Simplify right side
    47,590.86x = 1,392,306,341.09
  5. Step 5: Solve for x
    x = 1,392,306,341.09/47,590.86
  6. Step 6: Final answer
    x = 29,255.75

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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.