Home / 31,191.08-46,694.48-20,064.92

Finding the Fourth Proportional to 31,191.08, 46,694.48 and 20,064.92

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Solution

The fourth proportional to 31,191.08, 46,694.48 and 20,064.92 is: 30,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.08 : 46,694.48 = 20,064.92 : x
  2. Step 2: Convert to fraction form
    31,191.08/46,694.48 = 20,064.92/x
  3. Step 3: Cross multiply
    31,191.08x = 46,694.48 × 20,064.92
  4. Step 4: Simplify right side
    31,191.08x = 936,920,671.84
  5. Step 5: Solve for x
    x = 936,920,671.84/31,191.08
  6. Step 6: Final answer
    x = 30,038.10

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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.