Home / 31,590.96-47,415.10-16,812.32

Finding the Fourth Proportional to 31,590.96, 47,415.10 and 16,812.32

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Solution

The fourth proportional to 31,590.96, 47,415.10 and 16,812.32 is: 25,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.96 : 47,415.10 = 16,812.32 : x
  2. Step 2: Convert to fraction form
    31,590.96/47,415.10 = 16,812.32/x
  3. Step 3: Cross multiply
    31,590.96x = 47,415.10 × 16,812.32
  4. Step 4: Simplify right side
    31,590.96x = 797,157,834.03
  5. Step 5: Solve for x
    x = 797,157,834.03/31,590.96
  6. Step 6: Final answer
    x = 25,233.73

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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.