Home / 39,100.32-58,652.64-15,723.72

Finding the Fourth Proportional to 39,100.32, 58,652.64 and 15,723.72

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Solution

The fourth proportional to 39,100.32, 58,652.64 and 15,723.72 is: 23,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.32 : 58,652.64 = 15,723.72 : x
  2. Step 2: Convert to fraction form
    39,100.32/58,652.64 = 15,723.72/x
  3. Step 3: Cross multiply
    39,100.32x = 58,652.64 × 15,723.72
  4. Step 4: Simplify right side
    39,100.32x = 922,237,688.62
  5. Step 5: Solve for x
    x = 922,237,688.62/39,100.32
  6. Step 6: Final answer
    x = 23,586.45

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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.