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Finding the Fourth Proportional to 64,924.80, 97,328.43 and 25,471.32

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Solution

The fourth proportional to 64,924.80, 97,328.43 and 25,471.32 is: 38,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,924.80 : 97,328.43 = 25,471.32 : x
  2. Step 2: Convert to fraction form
    64,924.80/97,328.43 = 25,471.32/x
  3. Step 3: Cross multiply
    64,924.80x = 97,328.43 × 25,471.32
  4. Step 4: Simplify right side
    64,924.80x = 2,479,083,585.63
  5. Step 5: Solve for x
    x = 2,479,083,585.63/64,924.80
  6. Step 6: Final answer
    x = 38,183.92

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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.