Home / 51,347.43-70,838.37-31,201.11

Finding the Fourth Proportional to 51,347.43, 70,838.37 and 31,201.11

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Solution

The fourth proportional to 51,347.43, 70,838.37 and 31,201.11 is: 43,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.43 : 70,838.37 = 31,201.11 : x
  2. Step 2: Convert to fraction form
    51,347.43/70,838.37 = 31,201.11/x
  3. Step 3: Cross multiply
    51,347.43x = 70,838.37 × 31,201.11
  4. Step 4: Simplify right side
    51,347.43x = 2,210,235,774.59
  5. Step 5: Solve for x
    x = 2,210,235,774.59/51,347.43
  6. Step 6: Final answer
    x = 43,044.72

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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.