Home / 31,585.32-43,594.74-20,263.86

Finding the Fourth Proportional to 31,585.32, 43,594.74 and 20,263.86

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Solution

The fourth proportional to 31,585.32, 43,594.74 and 20,263.86 is: 27,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.32 : 43,594.74 = 20,263.86 : x
  2. Step 2: Convert to fraction form
    31,585.32/43,594.74 = 20,263.86/x
  3. Step 3: Cross multiply
    31,585.32x = 43,594.74 × 20,263.86
  4. Step 4: Simplify right side
    31,585.32x = 883,397,708.10
  5. Step 5: Solve for x
    x = 883,397,708.10/31,585.32
  6. Step 6: Final answer
    x = 27,968.62

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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.