Home / 35,129.47-52,715.00-12,958.43

Finding the Fourth Proportional to 35,129.47, 52,715.00 and 12,958.43

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Solution

The fourth proportional to 35,129.47, 52,715.00 and 12,958.43 is: 19,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.47 : 52,715.00 = 12,958.43 : x
  2. Step 2: Convert to fraction form
    35,129.47/52,715.00 = 12,958.43/x
  3. Step 3: Cross multiply
    35,129.47x = 52,715.00 × 12,958.43
  4. Step 4: Simplify right side
    35,129.47x = 683,103,572.66
  5. Step 5: Solve for x
    x = 683,103,572.66/35,129.47
  6. Step 6: Final answer
    x = 19,445.31

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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.