Home / 37,769.86-52,122.45-21,002.50

Finding the Fourth Proportional to 37,769.86, 52,122.45 and 21,002.50

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Solution

The fourth proportional to 37,769.86, 52,122.45 and 21,002.50 is: 28,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,769.86 : 52,122.45 = 21,002.50 : x
  2. Step 2: Convert to fraction form
    37,769.86/52,122.45 = 21,002.50/x
  3. Step 3: Cross multiply
    37,769.86x = 52,122.45 × 21,002.50
  4. Step 4: Simplify right side
    37,769.86x = 1,094,701,756.13
  5. Step 5: Solve for x
    x = 1,094,701,756.13/37,769.86
  6. Step 6: Final answer
    x = 28,983.47

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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.