Home / 45,585.69-68,352.89-31,370.87

Finding the Fourth Proportional to 45,585.69, 68,352.89 and 31,370.87

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Solution

The fourth proportional to 45,585.69, 68,352.89 and 31,370.87 is: 47,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.69 : 68,352.89 = 31,370.87 : x
  2. Step 2: Convert to fraction form
    45,585.69/68,352.89 = 31,370.87/x
  3. Step 3: Cross multiply
    45,585.69x = 68,352.89 × 31,370.87
  4. Step 4: Simplify right side
    45,585.69x = 2,144,289,127.70
  5. Step 5: Solve for x
    x = 2,144,289,127.70/45,585.69
  6. Step 6: Final answer
    x = 47,038.65

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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.