Home / 31,737.37-47,612.73-12,015.49

Finding the Fourth Proportional to 31,737.37, 47,612.73 and 12,015.49

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Solution

The fourth proportional to 31,737.37, 47,612.73 and 12,015.49 is: 18,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.37 : 47,612.73 = 12,015.49 : x
  2. Step 2: Convert to fraction form
    31,737.37/47,612.73 = 12,015.49/x
  3. Step 3: Cross multiply
    31,737.37x = 47,612.73 × 12,015.49
  4. Step 4: Simplify right side
    31,737.37x = 572,090,281.19
  5. Step 5: Solve for x
    x = 572,090,281.19/31,737.37
  6. Step 6: Final answer
    x = 18,025.76

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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.