Home / 31,314.98-46,937.24-12,590.62

Finding the Fourth Proportional to 31,314.98, 46,937.24 and 12,590.62

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Solution

The fourth proportional to 31,314.98, 46,937.24 and 12,590.62 is: 18,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.98 : 46,937.24 = 12,590.62 : x
  2. Step 2: Convert to fraction form
    31,314.98/46,937.24 = 12,590.62/x
  3. Step 3: Cross multiply
    31,314.98x = 46,937.24 × 12,590.62
  4. Step 4: Simplify right side
    31,314.98x = 590,968,952.69
  5. Step 5: Solve for x
    x = 590,968,952.69/31,314.98
  6. Step 6: Final answer
    x = 18,871.77

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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.