Home / 31,155.99-46,758.40-21,734.73

Finding the Fourth Proportional to 31,155.99, 46,758.40 and 21,734.73

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Solution

The fourth proportional to 31,155.99, 46,758.40 and 21,734.73 is: 32,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.99 : 46,758.40 = 21,734.73 : x
  2. Step 2: Convert to fraction form
    31,155.99/46,758.40 = 21,734.73/x
  3. Step 3: Cross multiply
    31,155.99x = 46,758.40 × 21,734.73
  4. Step 4: Simplify right side
    31,155.99x = 1,016,281,199.23
  5. Step 5: Solve for x
    x = 1,016,281,199.23/31,155.99
  6. Step 6: Final answer
    x = 32,619.13

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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.