Home / 31,599.23-43,605.15-18,866.80

Finding the Fourth Proportional to 31,599.23, 43,605.15 and 18,866.80

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Solution

The fourth proportional to 31,599.23, 43,605.15 and 18,866.80 is: 26,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.23 : 43,605.15 = 18,866.80 : x
  2. Step 2: Convert to fraction form
    31,599.23/43,605.15 = 18,866.80/x
  3. Step 3: Cross multiply
    31,599.23x = 43,605.15 × 18,866.80
  4. Step 4: Simplify right side
    31,599.23x = 822,689,425.99
  5. Step 5: Solve for x
    x = 822,689,425.99/31,599.23
  6. Step 6: Final answer
    x = 26,035.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.