Home / 67,239.21-92,762.28-40,009.86

Finding the Fourth Proportional to 67,239.21, 92,762.28 and 40,009.86

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Solution

The fourth proportional to 67,239.21, 92,762.28 and 40,009.86 is: 55,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.21 : 92,762.28 = 40,009.86 : x
  2. Step 2: Convert to fraction form
    67,239.21/92,762.28 = 40,009.86/x
  3. Step 3: Cross multiply
    67,239.21x = 92,762.28 × 40,009.86
  4. Step 4: Simplify right side
    67,239.21x = 3,711,405,836.08
  5. Step 5: Solve for x
    x = 3,711,405,836.08/67,239.21
  6. Step 6: Final answer
    x = 55,197.05

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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.