Home / 39,960.98-55,146.74-22,056.74

Finding the Fourth Proportional to 39,960.98, 55,146.74 and 22,056.74

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Solution

The fourth proportional to 39,960.98, 55,146.74 and 22,056.74 is: 30,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.98 : 55,146.74 = 22,056.74 : x
  2. Step 2: Convert to fraction form
    39,960.98/55,146.74 = 22,056.74/x
  3. Step 3: Cross multiply
    39,960.98x = 55,146.74 × 22,056.74
  4. Step 4: Simplify right side
    39,960.98x = 1,216,356,920.01
  5. Step 5: Solve for x
    x = 1,216,356,920.01/39,960.98
  6. Step 6: Final answer
    x = 30,438.62

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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.