Home / 31,737.37-47,612.08-12,763.48

Finding the Fourth Proportional to 31,737.37, 47,612.08 and 12,763.48

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Solution

The fourth proportional to 31,737.37, 47,612.08 and 12,763.48 is: 19,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.37 : 47,612.08 = 12,763.48 : x
  2. Step 2: Convert to fraction form
    31,737.37/47,612.08 = 12,763.48/x
  3. Step 3: Cross multiply
    31,737.37x = 47,612.08 × 12,763.48
  4. Step 4: Simplify right side
    31,737.37x = 607,695,830.84
  5. Step 5: Solve for x
    x = 607,695,830.84/31,737.37
  6. Step 6: Final answer
    x = 19,147.64

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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.