Home / 31,188.63-46,782.90-12,473.06

Finding the Fourth Proportional to 31,188.63, 46,782.90 and 12,473.06

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Solution

The fourth proportional to 31,188.63, 46,782.90 and 12,473.06 is: 18,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.63 : 46,782.90 = 12,473.06 : x
  2. Step 2: Convert to fraction form
    31,188.63/46,782.90 = 12,473.06/x
  3. Step 3: Cross multiply
    31,188.63x = 46,782.90 × 12,473.06
  4. Step 4: Simplify right side
    31,188.63x = 583,525,825.10
  5. Step 5: Solve for x
    x = 583,525,825.10/31,188.63
  6. Step 6: Final answer
    x = 18,709.57

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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.