Home / 67,438.32-92,991.96-45,942

Finding the Fourth Proportional to 67,438.32, 92,991.96 and 45,942

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Solution

The fourth proportional to 67,438.32, 92,991.96 and 45,942 is: 63,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.32 : 92,991.96 = 45,942 : x
  2. Step 2: Convert to fraction form
    67,438.32/92,991.96 = 45,942/x
  3. Step 3: Cross multiply
    67,438.32x = 92,991.96 × 45,942
  4. Step 4: Simplify right side
    67,438.32x = 4,272,236,626.32
  5. Step 5: Solve for x
    x = 4,272,236,626.32/67,438.32
  6. Step 6: Final answer
    x = 63,350.28

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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.