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Finding the Fourth Proportional to 47,163.51, 65,085.80 and 25,944.12

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Solution

The fourth proportional to 47,163.51, 65,085.80 and 25,944.12 is: 35,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.51 : 65,085.80 = 25,944.12 : x
  2. Step 2: Convert to fraction form
    47,163.51/65,085.80 = 25,944.12/x
  3. Step 3: Cross multiply
    47,163.51x = 65,085.80 × 25,944.12
  4. Step 4: Simplify right side
    47,163.51x = 1,688,593,675.78
  5. Step 5: Solve for x
    x = 1,688,593,675.78/47,163.51
  6. Step 6: Final answer
    x = 35,802.97

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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.