Home / 42,879.73-59,154.10-27,777.49

Finding the Fourth Proportional to 42,879.73, 59,154.10 and 27,777.49

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Solution

The fourth proportional to 42,879.73, 59,154.10 and 27,777.49 is: 38,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,879.73 : 59,154.10 = 27,777.49 : x
  2. Step 2: Convert to fraction form
    42,879.73/59,154.10 = 27,777.49/x
  3. Step 3: Cross multiply
    42,879.73x = 59,154.10 × 27,777.49
  4. Step 4: Simplify right side
    42,879.73x = 1,643,152,125.44
  5. Step 5: Solve for x
    x = 1,643,152,125.44/42,879.73
  6. Step 6: Final answer
    x = 38,320.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.