Home / 39,941.92-59,920.56-15,316

Finding the Fourth Proportional to 39,941.92, 59,920.56 and 15,316

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Solution

The fourth proportional to 39,941.92, 59,920.56 and 15,316 is: 22,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.92 : 59,920.56 = 15,316 : x
  2. Step 2: Convert to fraction form
    39,941.92/59,920.56 = 15,316/x
  3. Step 3: Cross multiply
    39,941.92x = 59,920.56 × 15,316
  4. Step 4: Simplify right side
    39,941.92x = 917,743,296.96
  5. Step 5: Solve for x
    x = 917,743,296.96/39,941.92
  6. Step 6: Final answer
    x = 22,976.94

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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.