Home / 35,399.04-53,100.96-13,212

Finding the Fourth Proportional to 35,399.04, 53,100.96 and 13,212

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Solution

The fourth proportional to 35,399.04, 53,100.96 and 13,212 is: 19,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,399.04 : 53,100.96 = 13,212 : x
  2. Step 2: Convert to fraction form
    35,399.04/53,100.96 = 13,212/x
  3. Step 3: Cross multiply
    35,399.04x = 53,100.96 × 13,212
  4. Step 4: Simplify right side
    35,399.04x = 701,569,883.52
  5. Step 5: Solve for x
    x = 701,569,883.52/35,399.04
  6. Step 6: Final answer
    x = 19,818.90

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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.