Home / 42,812.18-64,227-14,728.58

Finding the Fourth Proportional to 42,812.18, 64,227 and 14,728.58

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Solution

The fourth proportional to 42,812.18, 64,227 and 14,728.58 is: 22,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,812.18 : 64,227 = 14,728.58 : x
  2. Step 2: Convert to fraction form
    42,812.18/64,227 = 14,728.58/x
  3. Step 3: Cross multiply
    42,812.18x = 64,227 × 14,728.58
  4. Step 4: Simplify right side
    42,812.18x = 945,972,507.66
  5. Step 5: Solve for x
    x = 945,972,507.66/42,812.18
  6. Step 6: Final answer
    x = 22,095.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.