Home / 31,435.26-47,114.01-15,857.34

Finding the Fourth Proportional to 31,435.26, 47,114.01 and 15,857.34

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Solution

The fourth proportional to 31,435.26, 47,114.01 and 15,857.34 is: 23,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.26 : 47,114.01 = 15,857.34 : x
  2. Step 2: Convert to fraction form
    31,435.26/47,114.01 = 15,857.34/x
  3. Step 3: Cross multiply
    31,435.26x = 47,114.01 × 15,857.34
  4. Step 4: Simplify right side
    31,435.26x = 747,102,875.33
  5. Step 5: Solve for x
    x = 747,102,875.33/31,435.26
  6. Step 6: Final answer
    x = 23,766.40

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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.