Home / 51,263.83-70,748.97-31,116.09

Finding the Fourth Proportional to 51,263.83, 70,748.97 and 31,116.09

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Solution

The fourth proportional to 51,263.83, 70,748.97 and 31,116.09 is: 42,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,263.83 : 70,748.97 = 31,116.09 : x
  2. Step 2: Convert to fraction form
    51,263.83/70,748.97 = 31,116.09/x
  3. Step 3: Cross multiply
    51,263.83x = 70,748.97 × 31,116.09
  4. Step 4: Simplify right side
    51,263.83x = 2,201,431,317.93
  5. Step 5: Solve for x
    x = 2,201,431,317.93/51,263.83
  6. Step 6: Final answer
    x = 42,943.17

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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.