Home / 31,406.67-47,108.79-10,630.17

Finding the Fourth Proportional to 31,406.67, 47,108.79 and 10,630.17

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Solution

The fourth proportional to 31,406.67, 47,108.79 and 10,630.17 is: 15,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.67 : 47,108.79 = 10,630.17 : x
  2. Step 2: Convert to fraction form
    31,406.67/47,108.79 = 10,630.17/x
  3. Step 3: Cross multiply
    31,406.67x = 47,108.79 × 10,630.17
  4. Step 4: Simplify right side
    31,406.67x = 500,774,446.19
  5. Step 5: Solve for x
    x = 500,774,446.19/31,406.67
  6. Step 6: Final answer
    x = 15,944.84

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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.