Home / 20,723.50-31,084.44-5,931.82

Finding the Fourth Proportional to 20,723.50, 31,084.44 and 5,931.82

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Solution

The fourth proportional to 20,723.50, 31,084.44 and 5,931.82 is: 8,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.50 : 31,084.44 = 5,931.82 : x
  2. Step 2: Convert to fraction form
    20,723.50/31,084.44 = 5,931.82/x
  3. Step 3: Cross multiply
    20,723.50x = 31,084.44 × 5,931.82
  4. Step 4: Simplify right side
    20,723.50x = 184,387,302.88
  5. Step 5: Solve for x
    x = 184,387,302.88/20,723.50
  6. Step 6: Final answer
    x = 8,897.50

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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.