Home / 51,030.81-76,480.20-27,313.20

Finding the Fourth Proportional to 51,030.81, 76,480.20 and 27,313.20

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Solution

The fourth proportional to 51,030.81, 76,480.20 and 27,313.20 is: 40,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,030.81 : 76,480.20 = 27,313.20 : x
  2. Step 2: Convert to fraction form
    51,030.81/76,480.20 = 27,313.20/x
  3. Step 3: Cross multiply
    51,030.81x = 76,480.20 × 27,313.20
  4. Step 4: Simplify right side
    51,030.81x = 2,088,918,998.64
  5. Step 5: Solve for x
    x = 2,088,918,998.64/51,030.81
  6. Step 6: Final answer
    x = 40,934.47

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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.