Home / 31,396.32-43,381.44-23,317.92

Finding the Fourth Proportional to 31,396.32, 43,381.44 and 23,317.92

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Solution

The fourth proportional to 31,396.32, 43,381.44 and 23,317.92 is: 32,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.32 : 43,381.44 = 23,317.92 : x
  2. Step 2: Convert to fraction form
    31,396.32/43,381.44 = 23,317.92/x
  3. Step 3: Cross multiply
    31,396.32x = 43,381.44 × 23,317.92
  4. Step 4: Simplify right side
    31,396.32x = 1,011,564,947.40
  5. Step 5: Solve for x
    x = 1,011,564,947.40/31,396.32
  6. Step 6: Final answer
    x = 32,219.22

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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.