Home / 31,089.27-46,624.19-13,541.43

Finding the Fourth Proportional to 31,089.27, 46,624.19 and 13,541.43

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Solution

The fourth proportional to 31,089.27, 46,624.19 and 13,541.43 is: 20,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,089.27 : 46,624.19 = 13,541.43 : x
  2. Step 2: Convert to fraction form
    31,089.27/46,624.19 = 13,541.43/x
  3. Step 3: Cross multiply
    31,089.27x = 46,624.19 × 13,541.43
  4. Step 4: Simplify right side
    31,089.27x = 631,358,137.48
  5. Step 5: Solve for x
    x = 631,358,137.48/31,089.27
  6. Step 6: Final answer
    x = 20,307.91

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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.