Home / 31,583.20-43,585.68-19,012

Finding the Fourth Proportional to 31,583.20, 43,585.68 and 19,012

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Solution

The fourth proportional to 31,583.20, 43,585.68 and 19,012 is: 26,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.20 : 43,585.68 = 19,012 : x
  2. Step 2: Convert to fraction form
    31,583.20/43,585.68 = 19,012/x
  3. Step 3: Cross multiply
    31,583.20x = 43,585.68 × 19,012
  4. Step 4: Simplify right side
    31,583.20x = 828,650,948.16
  5. Step 5: Solve for x
    x = 828,650,948.16/31,583.20
  6. Step 6: Final answer
    x = 26,237.08

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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.