Home / 35,510.39-53,263.49-13,321.91

Finding the Fourth Proportional to 35,510.39, 53,263.49 and 13,321.91

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Solution

The fourth proportional to 35,510.39, 53,263.49 and 13,321.91 is: 19,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,510.39 : 53,263.49 = 13,321.91 : x
  2. Step 2: Convert to fraction form
    35,510.39/53,263.49 = 13,321.91/x
  3. Step 3: Cross multiply
    35,510.39x = 53,263.49 × 13,321.91
  4. Step 4: Simplify right side
    35,510.39x = 709,571,153.75
  5. Step 5: Solve for x
    x = 709,571,153.75/35,510.39
  6. Step 6: Final answer
    x = 19,982.07

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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.