Home / 31,399.18-47,097.54-10,622.68

Finding the Fourth Proportional to 31,399.18, 47,097.54 and 10,622.68

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Solution

The fourth proportional to 31,399.18, 47,097.54 and 10,622.68 is: 15,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.18 : 47,097.54 = 10,622.68 : x
  2. Step 2: Convert to fraction form
    31,399.18/47,097.54 = 10,622.68/x
  3. Step 3: Cross multiply
    31,399.18x = 47,097.54 × 10,622.68
  4. Step 4: Simplify right side
    31,399.18x = 500,302,096.21
  5. Step 5: Solve for x
    x = 500,302,096.21/31,399.18
  6. Step 6: Final answer
    x = 15,933.60

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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.