Home / 51,359.91-70,884.81-31,223.10

Finding the Fourth Proportional to 51,359.91, 70,884.81 and 31,223.10

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Solution

The fourth proportional to 51,359.91, 70,884.81 and 31,223.10 is: 43,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,359.91 : 70,884.81 = 31,223.10 : x
  2. Step 2: Convert to fraction form
    51,359.91/70,884.81 = 31,223.10/x
  3. Step 3: Cross multiply
    51,359.91x = 70,884.81 × 31,223.10
  4. Step 4: Simplify right side
    51,359.91x = 2,213,243,511.11
  5. Step 5: Solve for x
    x = 2,213,243,511.11/51,359.91
  6. Step 6: Final answer
    x = 43,092.82

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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.