Home / 31,340.16-47,012.16-9,997.44

Finding the Fourth Proportional to 31,340.16, 47,012.16 and 9,997.44

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Solution

The fourth proportional to 31,340.16, 47,012.16 and 9,997.44 is: 14,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.16 : 47,012.16 = 9,997.44 : x
  2. Step 2: Convert to fraction form
    31,340.16/47,012.16 = 9,997.44/x
  3. Step 3: Cross multiply
    31,340.16x = 47,012.16 × 9,997.44
  4. Step 4: Simplify right side
    31,340.16x = 470,001,248.87
  5. Step 5: Solve for x
    x = 470,001,248.87/31,340.16
  6. Step 6: Final answer
    x = 14,996.77

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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.