Home / 31,358.12-47,025.13-11,361.74

Finding the Fourth Proportional to 31,358.12, 47,025.13 and 11,361.74

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Solution

The fourth proportional to 31,358.12, 47,025.13 and 11,361.74 is: 17,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.12 : 47,025.13 = 11,361.74 : x
  2. Step 2: Convert to fraction form
    31,358.12/47,025.13 = 11,361.74/x
  3. Step 3: Cross multiply
    31,358.12x = 47,025.13 × 11,361.74
  4. Step 4: Simplify right side
    31,358.12x = 534,287,211.37
  5. Step 5: Solve for x
    x = 534,287,211.37/31,358.12
  6. Step 6: Final answer
    x = 17,038.24

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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.