Home / 30,159.03-41,619.71-16,731.15

Finding the Fourth Proportional to 30,159.03, 41,619.71 and 16,731.15

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Solution

The fourth proportional to 30,159.03, 41,619.71 and 16,731.15 is: 23,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.03 : 41,619.71 = 16,731.15 : x
  2. Step 2: Convert to fraction form
    30,159.03/41,619.71 = 16,731.15/x
  3. Step 3: Cross multiply
    30,159.03x = 41,619.71 × 16,731.15
  4. Step 4: Simplify right side
    30,159.03x = 696,345,808.87
  5. Step 5: Solve for x
    x = 696,345,808.87/30,159.03
  6. Step 6: Final answer
    x = 23,089.13

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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.