Home / 30,001.39-41,400.72-16,572.20

Finding the Fourth Proportional to 30,001.39, 41,400.72 and 16,572.20

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Solution

The fourth proportional to 30,001.39, 41,400.72 and 16,572.20 is: 22,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.39 : 41,400.72 = 16,572.20 : x
  2. Step 2: Convert to fraction form
    30,001.39/41,400.72 = 16,572.20/x
  3. Step 3: Cross multiply
    30,001.39x = 41,400.72 × 16,572.20
  4. Step 4: Simplify right side
    30,001.39x = 686,100,804.98
  5. Step 5: Solve for x
    x = 686,100,804.98/30,001.39
  6. Step 6: Final answer
    x = 22,868.97

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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.