Home / 31,182.21-46,767.69-8,990.13

Finding the Fourth Proportional to 31,182.21, 46,767.69 and 8,990.13

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Solution

The fourth proportional to 31,182.21, 46,767.69 and 8,990.13 is: 13,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.21 : 46,767.69 = 8,990.13 : x
  2. Step 2: Convert to fraction form
    31,182.21/46,767.69 = 8,990.13/x
  3. Step 3: Cross multiply
    31,182.21x = 46,767.69 × 8,990.13
  4. Step 4: Simplify right side
    31,182.21x = 420,447,567.95
  5. Step 5: Solve for x
    x = 420,447,567.95/31,182.21
  6. Step 6: Final answer
    x = 13,483.57

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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.