Home / 55,960.14-83,940.21-18,510.15

Finding the Fourth Proportional to 55,960.14, 83,940.21 and 18,510.15

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Solution

The fourth proportional to 55,960.14, 83,940.21 and 18,510.15 is: 27,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.14 : 83,940.21 = 18,510.15 : x
  2. Step 2: Convert to fraction form
    55,960.14/83,940.21 = 18,510.15/x
  3. Step 3: Cross multiply
    55,960.14x = 83,940.21 × 18,510.15
  4. Step 4: Simplify right side
    55,960.14x = 1,553,745,878.13
  5. Step 5: Solve for x
    x = 1,553,745,878.13/55,960.14
  6. Step 6: Final answer
    x = 27,765.23

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1.5x scale

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.