Home / 31,089.68-46,633.24-12,368.96

Finding the Fourth Proportional to 31,089.68, 46,633.24 and 12,368.96

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Solution

The fourth proportional to 31,089.68, 46,633.24 and 12,368.96 is: 18,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,089.68 : 46,633.24 = 12,368.96 : x
  2. Step 2: Convert to fraction form
    31,089.68/46,633.24 = 12,368.96/x
  3. Step 3: Cross multiply
    31,089.68x = 46,633.24 × 12,368.96
  4. Step 4: Simplify right side
    31,089.68x = 576,804,680.23
  5. Step 5: Solve for x
    x = 576,804,680.23/31,089.68
  6. Step 6: Final answer
    x = 18,552.93

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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.