Home / 31,651.60-43,665.48-19,069.12

Finding the Fourth Proportional to 31,651.60, 43,665.48 and 19,069.12

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Solution

The fourth proportional to 31,651.60, 43,665.48 and 19,069.12 is: 26,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651.60 : 43,665.48 = 19,069.12 : x
  2. Step 2: Convert to fraction form
    31,651.60/43,665.48 = 19,069.12/x
  3. Step 3: Cross multiply
    31,651.60x = 43,665.48 × 19,069.12
  4. Step 4: Simplify right side
    31,651.60x = 832,662,277.98
  5. Step 5: Solve for x
    x = 832,662,277.98/31,651.60
  6. Step 6: Final answer
    x = 26,307.11

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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.