Home / 51,881.24-77,828.63-18,605.01

Finding the Fourth Proportional to 51,881.24, 77,828.63 and 18,605.01

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Solution

The fourth proportional to 51,881.24, 77,828.63 and 18,605.01 is: 27,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.24 : 77,828.63 = 18,605.01 : x
  2. Step 2: Convert to fraction form
    51,881.24/77,828.63 = 18,605.01/x
  3. Step 3: Cross multiply
    51,881.24x = 77,828.63 × 18,605.01
  4. Step 4: Simplify right side
    51,881.24x = 1,448,002,346.41
  5. Step 5: Solve for x
    x = 1,448,002,346.41/51,881.24
  6. Step 6: Final answer
    x = 27,909.94

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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.