Home / 59,121.40-88,682.90-19,678.52

Finding the Fourth Proportional to 59,121.40, 88,682.90 and 19,678.52

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Solution

The fourth proportional to 59,121.40, 88,682.90 and 19,678.52 is: 29,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,121.40 : 88,682.90 = 19,678.52 : x
  2. Step 2: Convert to fraction form
    59,121.40/88,682.90 = 19,678.52/x
  3. Step 3: Cross multiply
    59,121.40x = 88,682.90 × 19,678.52
  4. Step 4: Simplify right side
    59,121.40x = 1,745,148,221.31
  5. Step 5: Solve for x
    x = 1,745,148,221.31/59,121.40
  6. Step 6: Final answer
    x = 29,518.05

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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.