Home / 39,967.08-55,154.97-22,061.70

Finding the Fourth Proportional to 39,967.08, 55,154.97 and 22,061.70

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Solution

The fourth proportional to 39,967.08, 55,154.97 and 22,061.70 is: 30,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.08 : 55,154.97 = 22,061.70 : x
  2. Step 2: Convert to fraction form
    39,967.08/55,154.97 = 22,061.70/x
  3. Step 3: Cross multiply
    39,967.08x = 55,154.97 × 22,061.70
  4. Step 4: Simplify right side
    39,967.08x = 1,216,812,401.65
  5. Step 5: Solve for x
    x = 1,216,812,401.65/39,967.08
  6. Step 6: Final answer
    x = 30,445.37

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1.5x scale

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.