Home / 39,964.16-55,126.80-25,825.36

Finding the Fourth Proportional to 39,964.16, 55,126.80 and 25,825.36

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Solution

The fourth proportional to 39,964.16, 55,126.80 and 25,825.36 is: 35,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.16 : 55,126.80 = 25,825.36 : x
  2. Step 2: Convert to fraction form
    39,964.16/55,126.80 = 25,825.36/x
  3. Step 3: Cross multiply
    39,964.16x = 55,126.80 × 25,825.36
  4. Step 4: Simplify right side
    39,964.16x = 1,423,669,455.65
  5. Step 5: Solve for x
    x = 1,423,669,455.65/39,964.16
  6. Step 6: Final answer
    x = 35,623.66

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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.