Home / 31,521.64-43,501.86-18,097.24

Finding the Fourth Proportional to 31,521.64, 43,501.86 and 18,097.24

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Solution

The fourth proportional to 31,521.64, 43,501.86 and 18,097.24 is: 24,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.64 : 43,501.86 = 18,097.24 : x
  2. Step 2: Convert to fraction form
    31,521.64/43,501.86 = 18,097.24/x
  3. Step 3: Cross multiply
    31,521.64x = 43,501.86 × 18,097.24
  4. Step 4: Simplify right side
    31,521.64x = 787,263,600.87
  5. Step 5: Solve for x
    x = 787,263,600.87/31,521.64
  6. Step 6: Final answer
    x = 24,975.34

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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.