Home / 59,931.82-89,913.66-20,488.87

Finding the Fourth Proportional to 59,931.82, 89,913.66 and 20,488.87

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Solution

The fourth proportional to 59,931.82, 89,913.66 and 20,488.87 is: 30,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931.82 : 89,913.66 = 20,488.87 : x
  2. Step 2: Convert to fraction form
    59,931.82/89,913.66 = 20,488.87/x
  3. Step 3: Cross multiply
    59,931.82x = 89,913.66 × 20,488.87
  4. Step 4: Simplify right side
    59,931.82x = 1,842,229,290.96
  5. Step 5: Solve for x
    x = 1,842,229,290.96/59,931.82
  6. Step 6: Final answer
    x = 30,738.75

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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.