Home / 37,881.69-56,838.92-20,331.01

Finding the Fourth Proportional to 37,881.69, 56,838.92 and 20,331.01

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Solution

The fourth proportional to 37,881.69, 56,838.92 and 20,331.01 is: 30,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,881.69 : 56,838.92 = 20,331.01 : x
  2. Step 2: Convert to fraction form
    37,881.69/56,838.92 = 20,331.01/x
  3. Step 3: Cross multiply
    37,881.69x = 56,838.92 × 20,331.01
  4. Step 4: Simplify right side
    37,881.69x = 1,155,592,650.91
  5. Step 5: Solve for x
    x = 1,155,592,650.91/37,881.69
  6. Step 6: Final answer
    x = 30,505.31

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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.