Home / 31,642,348.90-43,663,802-29,328,809.08

Finding the Fourth Proportional to 31,642,348.90, 43,663,802 and 29,328,809.08

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Solution

The fourth proportional to 31,642,348.90, 43,663,802 and 29,328,809.08 is: 40,471,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642,348.90 : 43,663,802 = 29,328,809.08 : x
  2. Step 2: Convert to fraction form
    31,642,348.90/43,663,802 = 29,328,809.08/x
  3. Step 3: Cross multiply
    31,642,348.90x = 43,663,802 × 29,328,809.08
  4. Step 4: Simplify right side
    31,642,348.90x = 1,280,607,312,564,922
  5. Step 5: Solve for x
    x = 1,280,607,312,564,922/31,642,348.90
  6. Step 6: Final answer
    x = 40,471,310.03

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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.