Home / 31,887.54-47,775.90-22,379.70

Finding the Fourth Proportional to 31,887.54, 47,775.90 and 22,379.70

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Solution

The fourth proportional to 31,887.54, 47,775.90 and 22,379.70 is: 33,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.54 : 47,775.90 = 22,379.70 : x
  2. Step 2: Convert to fraction form
    31,887.54/47,775.90 = 22,379.70/x
  3. Step 3: Cross multiply
    31,887.54x = 47,775.90 × 22,379.70
  4. Step 4: Simplify right side
    31,887.54x = 1,069,210,309.23
  5. Step 5: Solve for x
    x = 1,069,210,309.23/31,887.54
  6. Step 6: Final answer
    x = 33,530.66

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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.