Home / 42,991.73-64,051.76-40,874.32

Finding the Fourth Proportional to 42,991.73, 64,051.76 and 40,874.32

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Solution

The fourth proportional to 42,991.73, 64,051.76 and 40,874.32 is: 60,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,991.73 : 64,051.76 = 40,874.32 : x
  2. Step 2: Convert to fraction form
    42,991.73/64,051.76 = 40,874.32/x
  3. Step 3: Cross multiply
    42,991.73x = 64,051.76 × 40,874.32
  4. Step 4: Simplify right side
    42,991.73x = 2,618,072,317.05
  5. Step 5: Solve for x
    x = 2,618,072,317.05/42,991.73
  6. Step 6: Final answer
    x = 60,897.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.