Home / 38,484.01-57,727.64-12,188.17

Finding the Fourth Proportional to 38,484.01, 57,727.64 and 12,188.17

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Solution

The fourth proportional to 38,484.01, 57,727.64 and 12,188.17 is: 18,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.01 : 57,727.64 = 12,188.17 : x
  2. Step 2: Convert to fraction form
    38,484.01/57,727.64 = 12,188.17/x
  3. Step 3: Cross multiply
    38,484.01x = 57,727.64 × 12,188.17
  4. Step 4: Simplify right side
    38,484.01x = 703,594,324.09
  5. Step 5: Solve for x
    x = 703,594,324.09/38,484.01
  6. Step 6: Final answer
    x = 18,282.77

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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.