Home / 31,015.95-46,506.30-21,167.16

Finding the Fourth Proportional to 31,015.95, 46,506.30 and 21,167.16

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Solution

The fourth proportional to 31,015.95, 46,506.30 and 21,167.16 is: 31,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.95 : 46,506.30 = 21,167.16 : x
  2. Step 2: Convert to fraction form
    31,015.95/46,506.30 = 21,167.16/x
  3. Step 3: Cross multiply
    31,015.95x = 46,506.30 × 21,167.16
  4. Step 4: Simplify right side
    31,015.95x = 984,406,060.58
  5. Step 5: Solve for x
    x = 984,406,060.58/31,015.95
  6. Step 6: Final answer
    x = 31,738.71

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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.