Home / 52,261.42-72,119.54-28,387.56

Finding the Fourth Proportional to 52,261.42, 72,119.54 and 28,387.56

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Solution

The fourth proportional to 52,261.42, 72,119.54 and 28,387.56 is: 39,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.42 : 72,119.54 = 28,387.56 : x
  2. Step 2: Convert to fraction form
    52,261.42/72,119.54 = 28,387.56/x
  3. Step 3: Cross multiply
    52,261.42x = 72,119.54 × 28,387.56
  4. Step 4: Simplify right side
    52,261.42x = 2,047,297,768.92
  5. Step 5: Solve for x
    x = 2,047,297,768.92/52,261.42
  6. Step 6: Final answer
    x = 39,174.17

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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.