Home / 42,768.54-64,151.73-11,602.98

Finding the Fourth Proportional to 42,768.54, 64,151.73 and 11,602.98

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Solution

The fourth proportional to 42,768.54, 64,151.73 and 11,602.98 is: 17,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.54 : 64,151.73 = 11,602.98 : x
  2. Step 2: Convert to fraction form
    42,768.54/64,151.73 = 11,602.98/x
  3. Step 3: Cross multiply
    42,768.54x = 64,151.73 × 11,602.98
  4. Step 4: Simplify right side
    42,768.54x = 744,351,240.16
  5. Step 5: Solve for x
    x = 744,351,240.16/42,768.54
  6. Step 6: Final answer
    x = 17,404.18

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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.