Home / 42,798.74-64,185.53-16,125.47

Finding the Fourth Proportional to 42,798.74, 64,185.53 and 16,125.47

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Solution

The fourth proportional to 42,798.74, 64,185.53 and 16,125.47 is: 24,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,798.74 : 64,185.53 = 16,125.47 : x
  2. Step 2: Convert to fraction form
    42,798.74/64,185.53 = 16,125.47/x
  3. Step 3: Cross multiply
    42,798.74x = 64,185.53 × 16,125.47
  4. Step 4: Simplify right side
    42,798.74x = 1,035,021,768.30
  5. Step 5: Solve for x
    x = 1,035,021,768.30/42,798.74
  6. Step 6: Final answer
    x = 24,183.47

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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.