Home / 31,918.19-47,861.19-18,595.58

Finding the Fourth Proportional to 31,918.19, 47,861.19 and 18,595.58

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Solution

The fourth proportional to 31,918.19, 47,861.19 and 18,595.58 is: 27,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.19 : 47,861.19 = 18,595.58 : x
  2. Step 2: Convert to fraction form
    31,918.19/47,861.19 = 18,595.58/x
  3. Step 3: Cross multiply
    31,918.19x = 47,861.19 × 18,595.58
  4. Step 4: Simplify right side
    31,918.19x = 890,006,348.23
  5. Step 5: Solve for x
    x = 890,006,348.23/31,918.19
  6. Step 6: Final answer
    x = 27,883.99

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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.