Home / 31,049.55-46,582.10-12,323.40

Finding the Fourth Proportional to 31,049.55, 46,582.10 and 12,323.40

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Solution

The fourth proportional to 31,049.55, 46,582.10 and 12,323.40 is: 18,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.55 : 46,582.10 = 12,323.40 : x
  2. Step 2: Convert to fraction form
    31,049.55/46,582.10 = 12,323.40/x
  3. Step 3: Cross multiply
    31,049.55x = 46,582.10 × 12,323.40
  4. Step 4: Simplify right side
    31,049.55x = 574,049,851.14
  5. Step 5: Solve for x
    x = 574,049,851.14/31,049.55
  6. Step 6: Final answer
    x = 18,488.19

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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.