Home / 67,831.05-93,609.18-40,968.21

Finding the Fourth Proportional to 67,831.05, 93,609.18 and 40,968.21

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Solution

The fourth proportional to 67,831.05, 93,609.18 and 40,968.21 is: 56,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,831.05 : 93,609.18 = 40,968.21 : x
  2. Step 2: Convert to fraction form
    67,831.05/93,609.18 = 40,968.21/x
  3. Step 3: Cross multiply
    67,831.05x = 93,609.18 × 40,968.21
  4. Step 4: Simplify right side
    67,831.05x = 3,835,000,544.17
  5. Step 5: Solve for x
    x = 3,835,000,544.17/67,831.05
  6. Step 6: Final answer
    x = 56,537.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.