Home / 31,399.62-43,328.95-17,967.79

Finding the Fourth Proportional to 31,399.62, 43,328.95 and 17,967.79

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Solution

The fourth proportional to 31,399.62, 43,328.95 and 17,967.79 is: 24,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.62 : 43,328.95 = 17,967.79 : x
  2. Step 2: Convert to fraction form
    31,399.62/43,328.95 = 17,967.79/x
  3. Step 3: Cross multiply
    31,399.62x = 43,328.95 × 17,967.79
  4. Step 4: Simplify right side
    31,399.62x = 778,525,474.52
  5. Step 5: Solve for x
    x = 778,525,474.52/31,399.62
  6. Step 6: Final answer
    x = 24,794.10

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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.