Home / 31,513.94-47,270.90-21,623.22

Finding the Fourth Proportional to 31,513.94, 47,270.90 and 21,623.22

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Solution

The fourth proportional to 31,513.94, 47,270.90 and 21,623.22 is: 32,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.94 : 47,270.90 = 21,623.22 : x
  2. Step 2: Convert to fraction form
    31,513.94/47,270.90 = 21,623.22/x
  3. Step 3: Cross multiply
    31,513.94x = 47,270.90 × 21,623.22
  4. Step 4: Simplify right side
    31,513.94x = 1,022,149,070.30
  5. Step 5: Solve for x
    x = 1,022,149,070.30/31,513.94
  6. Step 6: Final answer
    x = 32,434.82

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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.