Home / 31,641.60-43,651.68-19,059.12

Finding the Fourth Proportional to 31,641.60, 43,651.68 and 19,059.12

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Solution

The fourth proportional to 31,641.60, 43,651.68 and 19,059.12 is: 26,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.60 : 43,651.68 = 19,059.12 : x
  2. Step 2: Convert to fraction form
    31,641.60/43,651.68 = 19,059.12/x
  3. Step 3: Cross multiply
    31,641.60x = 43,651.68 × 19,059.12
  4. Step 4: Simplify right side
    31,641.60x = 831,962,607.32
  5. Step 5: Solve for x
    x = 831,962,607.32/31,641.60
  6. Step 6: Final answer
    x = 26,293.32

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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.