Home / 52,724.25-72,768.11-30,381.21

Finding the Fourth Proportional to 52,724.25, 72,768.11 and 30,381.21

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Solution

The fourth proportional to 52,724.25, 72,768.11 and 30,381.21 is: 41,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.25 : 72,768.11 = 30,381.21 : x
  2. Step 2: Convert to fraction form
    52,724.25/72,768.11 = 30,381.21/x
  3. Step 3: Cross multiply
    52,724.25x = 72,768.11 × 30,381.21
  4. Step 4: Simplify right side
    52,724.25x = 2,210,783,079.31
  5. Step 5: Solve for x
    x = 2,210,783,079.31/52,724.25
  6. Step 6: Final answer
    x = 41,931.05

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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.