Home / 40,322.72-60,484.21-12,243.01

Finding the Fourth Proportional to 40,322.72, 60,484.21 and 12,243.01

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Solution

The fourth proportional to 40,322.72, 60,484.21 and 12,243.01 is: 18,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.72 : 60,484.21 = 12,243.01 : x
  2. Step 2: Convert to fraction form
    40,322.72/60,484.21 = 12,243.01/x
  3. Step 3: Cross multiply
    40,322.72x = 60,484.21 × 12,243.01
  4. Step 4: Simplify right side
    40,322.72x = 740,508,606.05
  5. Step 5: Solve for x
    x = 740,508,606.05/40,322.72
  6. Step 6: Final answer
    x = 18,364.55

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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.