Home / 31,586.32-43,596.12-20,264.86

Finding the Fourth Proportional to 31,586.32, 43,596.12 and 20,264.86

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Solution

The fourth proportional to 31,586.32, 43,596.12 and 20,264.86 is: 27,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.32 : 43,596.12 = 20,264.86 : x
  2. Step 2: Convert to fraction form
    31,586.32/43,596.12 = 20,264.86/x
  3. Step 3: Cross multiply
    31,586.32x = 43,596.12 × 20,264.86
  4. Step 4: Simplify right side
    31,586.32x = 883,469,268.34
  5. Step 5: Solve for x
    x = 883,469,268.34/31,586.32
  6. Step 6: Final answer
    x = 27,970.00

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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.