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Finding the Fourth Proportional to 59,398.75, 81,970.43 and 32,541.78

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Solution

The fourth proportional to 59,398.75, 81,970.43 and 32,541.78 is: 44,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.75 : 81,970.43 = 32,541.78 : x
  2. Step 2: Convert to fraction form
    59,398.75/81,970.43 = 32,541.78/x
  3. Step 3: Cross multiply
    59,398.75x = 81,970.43 × 32,541.78
  4. Step 4: Simplify right side
    59,398.75x = 2,667,463,699.57
  5. Step 5: Solve for x
    x = 2,667,463,699.57/59,398.75
  6. Step 6: Final answer
    x = 44,907.74

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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.