Home / 39,905.29-55,069.09-22,000.24

Finding the Fourth Proportional to 39,905.29, 55,069.09 and 22,000.24

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Solution

The fourth proportional to 39,905.29, 55,069.09 and 22,000.24 is: 30,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.29 : 55,069.09 = 22,000.24 : x
  2. Step 2: Convert to fraction form
    39,905.29/55,069.09 = 22,000.24/x
  3. Step 3: Cross multiply
    39,905.29x = 55,069.09 × 22,000.24
  4. Step 4: Simplify right side
    39,905.29x = 1,211,533,196.58
  5. Step 5: Solve for x
    x = 1,211,533,196.58/39,905.29
  6. Step 6: Final answer
    x = 30,360.22

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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.