Home / 35,124.13-52,686.70-11,431.80

Finding the Fourth Proportional to 35,124.13, 52,686.70 and 11,431.80

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Solution

The fourth proportional to 35,124.13, 52,686.70 and 11,431.80 is: 17,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.13 : 52,686.70 = 11,431.80 : x
  2. Step 2: Convert to fraction form
    35,124.13/52,686.70 = 11,431.80/x
  3. Step 3: Cross multiply
    35,124.13x = 52,686.70 × 11,431.80
  4. Step 4: Simplify right side
    35,124.13x = 602,303,873.49
  5. Step 5: Solve for x
    x = 602,303,873.49/35,124.13
  6. Step 6: Final answer
    x = 17,147.87

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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.