Home / 69,332.40-103,903.83-31,876.38

Finding the Fourth Proportional to 69,332.40, 103,903.83 and 31,876.38

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Solution

The fourth proportional to 69,332.40, 103,903.83 and 31,876.38 is: 47,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.40 : 103,903.83 = 31,876.38 : x
  2. Step 2: Convert to fraction form
    69,332.40/103,903.83 = 31,876.38/x
  3. Step 3: Cross multiply
    69,332.40x = 103,903.83 × 31,876.38
  4. Step 4: Simplify right side
    69,332.40x = 3,312,077,968.54
  5. Step 5: Solve for x
    x = 3,312,077,968.54/69,332.40
  6. Step 6: Final answer
    x = 47,771.00

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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.