Home / 31,010.68-46,485.90-12,284.47

Finding the Fourth Proportional to 31,010.68, 46,485.90 and 12,284.47

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Solution

The fourth proportional to 31,010.68, 46,485.90 and 12,284.47 is: 18,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.68 : 46,485.90 = 12,284.47 : x
  2. Step 2: Convert to fraction form
    31,010.68/46,485.90 = 12,284.47/x
  3. Step 3: Cross multiply
    31,010.68x = 46,485.90 × 12,284.47
  4. Step 4: Simplify right side
    31,010.68x = 571,054,643.97
  5. Step 5: Solve for x
    x = 571,054,643.97/31,010.68
  6. Step 6: Final answer
    x = 18,414.77

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1.5x scale

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.