Home / 31,710.32-47,565.94-15,072.05

Finding the Fourth Proportional to 31,710.32, 47,565.94 and 15,072.05

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Solution

The fourth proportional to 31,710.32, 47,565.94 and 15,072.05 is: 22,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.32 : 47,565.94 = 15,072.05 : x
  2. Step 2: Convert to fraction form
    31,710.32/47,565.94 = 15,072.05/x
  3. Step 3: Cross multiply
    31,710.32x = 47,565.94 × 15,072.05
  4. Step 4: Simplify right side
    31,710.32x = 716,916,225.98
  5. Step 5: Solve for x
    x = 716,916,225.98/31,710.32
  6. Step 6: Final answer
    x = 22,608.29

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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.