Home / 39,916.20-55,084.74-22,011.84

Finding the Fourth Proportional to 39,916.20, 55,084.74 and 22,011.84

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Solution

The fourth proportional to 39,916.20, 55,084.74 and 22,011.84 is: 30,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.20 : 55,084.74 = 22,011.84 : x
  2. Step 2: Convert to fraction form
    39,916.20/55,084.74 = 22,011.84/x
  3. Step 3: Cross multiply
    39,916.20x = 55,084.74 × 22,011.84
  4. Step 4: Simplify right side
    39,916.20x = 1,212,516,483.32
  5. Step 5: Solve for x
    x = 1,212,516,483.32/39,916.20
  6. Step 6: Final answer
    x = 30,376.55

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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.