Home / 52,186.90-72,018.21-28,313.62

Finding the Fourth Proportional to 52,186.90, 72,018.21 and 28,313.62

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Solution

The fourth proportional to 52,186.90, 72,018.21 and 28,313.62 is: 39,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.90 : 72,018.21 = 28,313.62 : x
  2. Step 2: Convert to fraction form
    52,186.90/72,018.21 = 28,313.62/x
  3. Step 3: Cross multiply
    52,186.90x = 72,018.21 × 28,313.62
  4. Step 4: Simplify right side
    52,186.90x = 2,039,096,231.02
  5. Step 5: Solve for x
    x = 2,039,096,231.02/52,186.90
  6. Step 6: Final answer
    x = 39,072.95

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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.