Home / 31,108.70-46,663.05-15,524.30

Finding the Fourth Proportional to 31,108.70, 46,663.05 and 15,524.30

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Solution

The fourth proportional to 31,108.70, 46,663.05 and 15,524.30 is: 23,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.70 : 46,663.05 = 15,524.30 : x
  2. Step 2: Convert to fraction form
    31,108.70/46,663.05 = 15,524.30/x
  3. Step 3: Cross multiply
    31,108.70x = 46,663.05 × 15,524.30
  4. Step 4: Simplify right side
    31,108.70x = 724,411,187.12
  5. Step 5: Solve for x
    x = 724,411,187.12/31,108.70
  6. Step 6: Final answer
    x = 23,286.45

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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.