Home / 51,809.00-71,499.04-30,587.81

Finding the Fourth Proportional to 51,809.00, 71,499.04 and 30,587.81

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Solution

The fourth proportional to 51,809.00, 71,499.04 and 30,587.81 is: 42,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.00 : 71,499.04 = 30,587.81 : x
  2. Step 2: Convert to fraction form
    51,809.00/71,499.04 = 30,587.81/x
  3. Step 3: Cross multiply
    51,809.00x = 71,499.04 × 30,587.81
  4. Step 4: Simplify right side
    51,809.00x = 2,186,998,616.74
  5. Step 5: Solve for x
    x = 2,186,998,616.74/51,809.00
  6. Step 6: Final answer
    x = 42,212.72

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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.