Home / 42,775.54-64,135.96-17,832.80

Finding the Fourth Proportional to 42,775.54, 64,135.96 and 17,832.80

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Solution

The fourth proportional to 42,775.54, 64,135.96 and 17,832.80 is: 26,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775.54 : 64,135.96 = 17,832.80 : x
  2. Step 2: Convert to fraction form
    42,775.54/64,135.96 = 17,832.80/x
  3. Step 3: Cross multiply
    42,775.54x = 64,135.96 × 17,832.80
  4. Step 4: Simplify right side
    42,775.54x = 1,143,723,747.49
  5. Step 5: Solve for x
    x = 1,143,723,747.49/42,775.54
  6. Step 6: Final answer
    x = 26,737.80

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1.5x scale

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.