Home / 31,124,761.20-42,955,813.54-25,888,531.28

Finding the Fourth Proportional to 31,124,761.20, 42,955,813.54 and 25,888,531.28

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Solution

The fourth proportional to 31,124,761.20, 42,955,813.54 and 25,888,531.28 is: 35,729,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124,761.20 : 42,955,813.54 = 25,888,531.28 : x
  2. Step 2: Convert to fraction form
    31,124,761.20/42,955,813.54 = 25,888,531.28/x
  3. Step 3: Cross multiply
    31,124,761.20x = 42,955,813.54 × 25,888,531.28
  4. Step 4: Simplify right side
    31,124,761.20x = 1,112,062,922,488,137.50
  5. Step 5: Solve for x
    x = 1,112,062,922,488,137.50/31,124,761.20
  6. Step 6: Final answer
    x = 35,729,203.36

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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.