Home / 40,615.56-60,919.32-12,528

Finding the Fourth Proportional to 40,615.56, 60,919.32 and 12,528

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Solution

The fourth proportional to 40,615.56, 60,919.32 and 12,528 is: 18,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.56 : 60,919.32 = 12,528 : x
  2. Step 2: Convert to fraction form
    40,615.56/60,919.32 = 12,528/x
  3. Step 3: Cross multiply
    40,615.56x = 60,919.32 × 12,528
  4. Step 4: Simplify right side
    40,615.56x = 763,197,240.96
  5. Step 5: Solve for x
    x = 763,197,240.96/40,615.56
  6. Step 6: Final answer
    x = 18,790.76

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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.