Home / 42,812.66-64,203.05-14,724.83

Finding the Fourth Proportional to 42,812.66, 64,203.05 and 14,724.83

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Solution

The fourth proportional to 42,812.66, 64,203.05 and 14,724.83 is: 22,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,812.66 : 64,203.05 = 14,724.83 : x
  2. Step 2: Convert to fraction form
    42,812.66/64,203.05 = 14,724.83/x
  3. Step 3: Cross multiply
    42,812.66x = 64,203.05 × 14,724.83
  4. Step 4: Simplify right side
    42,812.66x = 945,378,712.53
  5. Step 5: Solve for x
    x = 945,378,712.53/42,812.66
  6. Step 6: Final answer
    x = 22,081.76

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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.