Home / 31,637.15-47,455.71-28,997.23

Finding the Fourth Proportional to 31,637.15, 47,455.71 and 28,997.23

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Solution

The fourth proportional to 31,637.15, 47,455.71 and 28,997.23 is: 43,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.15 : 47,455.71 = 28,997.23 : x
  2. Step 2: Convert to fraction form
    31,637.15/47,455.71 = 28,997.23/x
  3. Step 3: Cross multiply
    31,637.15x = 47,455.71 × 28,997.23
  4. Step 4: Simplify right side
    31,637.15x = 1,376,084,137.68
  5. Step 5: Solve for x
    x = 1,376,084,137.68/31,637.15
  6. Step 6: Final answer
    x = 43,495.83

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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.