Home / 56,611.12-78,124.08-32,738.80

Finding the Fourth Proportional to 56,611.12, 78,124.08 and 32,738.80

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Solution

The fourth proportional to 56,611.12, 78,124.08 and 32,738.80 is: 45,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.12 : 78,124.08 = 32,738.80 : x
  2. Step 2: Convert to fraction form
    56,611.12/78,124.08 = 32,738.80/x
  3. Step 3: Cross multiply
    56,611.12x = 78,124.08 × 32,738.80
  4. Step 4: Simplify right side
    56,611.12x = 2,557,688,630.30
  5. Step 5: Solve for x
    x = 2,557,688,630.30/56,611.12
  6. Step 6: Final answer
    x = 45,179.97

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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.