Home / 31,271.64-43,154.88-17,124.48

Finding the Fourth Proportional to 31,271.64, 43,154.88 and 17,124.48

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Solution

The fourth proportional to 31,271.64, 43,154.88 and 17,124.48 is: 23,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.64 : 43,154.88 = 17,124.48 : x
  2. Step 2: Convert to fraction form
    31,271.64/43,154.88 = 17,124.48/x
  3. Step 3: Cross multiply
    31,271.64x = 43,154.88 × 17,124.48
  4. Step 4: Simplify right side
    31,271.64x = 739,004,879.46
  5. Step 5: Solve for x
    x = 739,004,879.46/31,271.64
  6. Step 6: Final answer
    x = 23,631.79

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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.