Home / 30,925,159.45-42,675,550.79-17,175,009.31

Finding the Fourth Proportional to 30,925,159.45, 42,675,550.79 and 17,175,009.31

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Solution

The fourth proportional to 30,925,159.45, 42,675,550.79 and 17,175,009.31 is: 23,700,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,159.45 : 42,675,550.79 = 17,175,009.31 : x
  2. Step 2: Convert to fraction form
    30,925,159.45/42,675,550.79 = 17,175,009.31/x
  3. Step 3: Cross multiply
    30,925,159.45x = 42,675,550.79 × 17,175,009.31
  4. Step 4: Simplify right side
    30,925,159.45x = 732,952,981,914,250.12
  5. Step 5: Solve for x
    x = 732,952,981,914,250.12/30,925,159.45
  6. Step 6: Final answer
    x = 23,700,863.47

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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.