Home / 31,172,795.98-43,018,520.79-17,421,759.70

Finding the Fourth Proportional to 31,172,795.98, 43,018,520.79 and 17,421,759.70

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Solution

The fourth proportional to 31,172,795.98, 43,018,520.79 and 17,421,759.70 is: 24,042,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172,795.98 : 43,018,520.79 = 17,421,759.70 : x
  2. Step 2: Convert to fraction form
    31,172,795.98/43,018,520.79 = 17,421,759.70/x
  3. Step 3: Cross multiply
    31,172,795.98x = 43,018,520.79 × 17,421,759.70
  4. Step 4: Simplify right side
    31,172,795.98x = 749,458,331,852,834.12
  5. Step 5: Solve for x
    x = 749,458,331,852,834.12/31,172,795.98
  6. Step 6: Final answer
    x = 24,042,063.23

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1.5x scale

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.