Home / 31,619.16-43,636.92-18,007.77

Finding the Fourth Proportional to 31,619.16, 43,636.92 and 18,007.77

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Solution

The fourth proportional to 31,619.16, 43,636.92 and 18,007.77 is: 24,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.16 : 43,636.92 = 18,007.77 : x
  2. Step 2: Convert to fraction form
    31,619.16/43,636.92 = 18,007.77/x
  3. Step 3: Cross multiply
    31,619.16x = 43,636.92 × 18,007.77
  4. Step 4: Simplify right side
    31,619.16x = 785,803,605.89
  5. Step 5: Solve for x
    x = 785,803,605.89/31,619.16
  6. Step 6: Final answer
    x = 24,852.14

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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.