Home / 35,406.92-53,106.30-13,221.08

Finding the Fourth Proportional to 35,406.92, 53,106.30 and 13,221.08

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Solution

The fourth proportional to 35,406.92, 53,106.30 and 13,221.08 is: 19,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.92 : 53,106.30 = 13,221.08 : x
  2. Step 2: Convert to fraction form
    35,406.92/53,106.30 = 13,221.08/x
  3. Step 3: Cross multiply
    35,406.92x = 53,106.30 × 13,221.08
  4. Step 4: Simplify right side
    35,406.92x = 702,122,640.80
  5. Step 5: Solve for x
    x = 702,122,640.80/35,406.92
  6. Step 6: Final answer
    x = 19,830.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.