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Finding the Fourth Proportional to 53,251.86, 79,894.37 and 15,812.13

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Solution

The fourth proportional to 53,251.86, 79,894.37 and 15,812.13 is: 23,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.86 : 79,894.37 = 15,812.13 : x
  2. Step 2: Convert to fraction form
    53,251.86/79,894.37 = 15,812.13/x
  3. Step 3: Cross multiply
    53,251.86x = 79,894.37 × 15,812.13
  4. Step 4: Simplify right side
    53,251.86x = 1,263,300,144.94
  5. Step 5: Solve for x
    x = 1,263,300,144.94/53,251.86
  6. Step 6: Final answer
    x = 23,723.12

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1.5x scale

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.