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Finding the Fourth Proportional to 59,398.95, 89,036.02 and 21,935.14

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Solution

The fourth proportional to 59,398.95, 89,036.02 and 21,935.14 is: 32,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.95 : 89,036.02 = 21,935.14 : x
  2. Step 2: Convert to fraction form
    59,398.95/89,036.02 = 21,935.14/x
  3. Step 3: Cross multiply
    59,398.95x = 89,036.02 × 21,935.14
  4. Step 4: Simplify right side
    59,398.95x = 1,953,017,563.74
  5. Step 5: Solve for x
    x = 1,953,017,563.74/59,398.95
  6. Step 6: Final answer
    x = 32,879.66

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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.