Home / 45,565.21-68,339.93-20,599.45

Finding the Fourth Proportional to 45,565.21, 68,339.93 and 20,599.45

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Solution

The fourth proportional to 45,565.21, 68,339.93 and 20,599.45 is: 30,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.21 : 68,339.93 = 20,599.45 : x
  2. Step 2: Convert to fraction form
    45,565.21/68,339.93 = 20,599.45/x
  3. Step 3: Cross multiply
    45,565.21x = 68,339.93 × 20,599.45
  4. Step 4: Simplify right side
    45,565.21x = 1,407,764,971.04
  5. Step 5: Solve for x
    x = 1,407,764,971.04/45,565.21
  6. Step 6: Final answer
    x = 30,895.61

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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.