Home / 39,201.24-54,097.80-21,296.10

Finding the Fourth Proportional to 39,201.24, 54,097.80 and 21,296.10

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Solution

The fourth proportional to 39,201.24, 54,097.80 and 21,296.10 is: 29,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.24 : 54,097.80 = 21,296.10 : x
  2. Step 2: Convert to fraction form
    39,201.24/54,097.80 = 21,296.10/x
  3. Step 3: Cross multiply
    39,201.24x = 54,097.80 × 21,296.10
  4. Step 4: Simplify right side
    39,201.24x = 1,152,072,158.58
  5. Step 5: Solve for x
    x = 1,152,072,158.58/39,201.24
  6. Step 6: Final answer
    x = 29,388.67

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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.