Home / 31,131,041.60-46,633,576.80-21,557,230.40

Finding the Fourth Proportional to 31,131,041.60, 46,633,576.80 and 21,557,230.40

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Solution

The fourth proportional to 31,131,041.60, 46,633,576.80 and 21,557,230.40 is: 32,292,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,041.60 : 46,633,576.80 = 21,557,230.40 : x
  2. Step 2: Convert to fraction form
    31,131,041.60/46,633,576.80 = 21,557,230.40/x
  3. Step 3: Cross multiply
    31,131,041.60x = 46,633,576.80 × 21,557,230.40
  4. Step 4: Simplify right side
    31,131,041.60x = 1,005,290,759,453,694.62
  5. Step 5: Solve for x
    x = 1,005,290,759,453,694.62/31,131,041.60
  6. Step 6: Final answer
    x = 32,292,230.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.