Home / 39,960.23-55,145.70-22,055.99

Finding the Fourth Proportional to 39,960.23, 55,145.70 and 22,055.99

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Solution

The fourth proportional to 39,960.23, 55,145.70 and 22,055.99 is: 30,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.23 : 55,145.70 = 22,055.99 : x
  2. Step 2: Convert to fraction form
    39,960.23/55,145.70 = 22,055.99/x
  3. Step 3: Cross multiply
    39,960.23x = 55,145.70 × 22,055.99
  4. Step 4: Simplify right side
    39,960.23x = 1,216,292,732.01
  5. Step 5: Solve for x
    x = 1,216,292,732.01/39,960.23
  6. Step 6: Final answer
    x = 30,437.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.