Home / 30,311.66-41,831.98-16,885.10

Finding the Fourth Proportional to 30,311.66, 41,831.98 and 16,885.10

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Solution

The fourth proportional to 30,311.66, 41,831.98 and 16,885.10 is: 23,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.66 : 41,831.98 = 16,885.10 : x
  2. Step 2: Convert to fraction form
    30,311.66/41,831.98 = 16,885.10/x
  3. Step 3: Cross multiply
    30,311.66x = 41,831.98 × 16,885.10
  4. Step 4: Simplify right side
    30,311.66x = 706,337,165.50
  5. Step 5: Solve for x
    x = 706,337,165.50/30,311.66
  6. Step 6: Final answer
    x = 23,302.49

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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.