Home / 42,803.67-64,199.16-16,505.13

Finding the Fourth Proportional to 42,803.67, 64,199.16 and 16,505.13

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Solution

The fourth proportional to 42,803.67, 64,199.16 and 16,505.13 is: 24,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.67 : 64,199.16 = 16,505.13 : x
  2. Step 2: Convert to fraction form
    42,803.67/64,199.16 = 16,505.13/x
  3. Step 3: Cross multiply
    42,803.67x = 64,199.16 × 16,505.13
  4. Step 4: Simplify right side
    42,803.67x = 1,059,615,481.69
  5. Step 5: Solve for x
    x = 1,059,615,481.69/42,803.67
  6. Step 6: Final answer
    x = 24,755.25

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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.