Home / 31,569,616.82-43,249,651.30-30,389,315.36

Finding the Fourth Proportional to 31,569,616.82, 43,249,651.30 and 30,389,315.36

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Solution

The fourth proportional to 31,569,616.82, 43,249,651.30 and 30,389,315.36 is: 41,632,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569,616.82 : 43,249,651.30 = 30,389,315.36 : x
  2. Step 2: Convert to fraction form
    31,569,616.82/43,249,651.30 = 30,389,315.36/x
  3. Step 3: Cross multiply
    31,569,616.82x = 43,249,651.30 × 30,389,315.36
  4. Step 4: Simplify right side
    31,569,616.82x = 1,314,327,292,565,733.75
  5. Step 5: Solve for x
    x = 1,314,327,292,565,733.75/31,569,616.82
  6. Step 6: Final answer
    x = 41,632,665.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.