Home / 31,265.16-46,888.62-12,539.16

Finding the Fourth Proportional to 31,265.16, 46,888.62 and 12,539.16

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Solution

The fourth proportional to 31,265.16, 46,888.62 and 12,539.16 is: 18,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.16 : 46,888.62 = 12,539.16 : x
  2. Step 2: Convert to fraction form
    31,265.16/46,888.62 = 12,539.16/x
  3. Step 3: Cross multiply
    31,265.16x = 46,888.62 × 12,539.16
  4. Step 4: Simplify right side
    31,265.16x = 587,943,908.36
  5. Step 5: Solve for x
    x = 587,943,908.36/31,265.16
  6. Step 6: Final answer
    x = 18,805.08

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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.