Home / 42,868.80-59,145.21-27,773.10

Finding the Fourth Proportional to 42,868.80, 59,145.21 and 27,773.10

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Solution

The fourth proportional to 42,868.80, 59,145.21 and 27,773.10 is: 38,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.80 : 59,145.21 = 27,773.10 : x
  2. Step 2: Convert to fraction form
    42,868.80/59,145.21 = 27,773.10/x
  3. Step 3: Cross multiply
    42,868.80x = 59,145.21 × 27,773.10
  4. Step 4: Simplify right side
    42,868.80x = 1,642,645,831.85
  5. Step 5: Solve for x
    x = 1,642,645,831.85/42,868.80
  6. Step 6: Final answer
    x = 38,317.98

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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.