Home / 35,426.99-53,149.62-13,240.53

Finding the Fourth Proportional to 35,426.99, 53,149.62 and 13,240.53

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Solution

The fourth proportional to 35,426.99, 53,149.62 and 13,240.53 is: 19,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.99 : 53,149.62 = 13,240.53 : x
  2. Step 2: Convert to fraction form
    35,426.99/53,149.62 = 13,240.53/x
  3. Step 3: Cross multiply
    35,426.99x = 53,149.62 × 13,240.53
  4. Step 4: Simplify right side
    35,426.99x = 703,729,138.10
  5. Step 5: Solve for x
    x = 703,729,138.10/35,426.99
  6. Step 6: Final answer
    x = 19,864.21

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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.