Home / 47,611.76-65,554.64-40,426.70

Finding the Fourth Proportional to 47,611.76, 65,554.64 and 40,426.70

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Solution

The fourth proportional to 47,611.76, 65,554.64 and 40,426.70 is: 55,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.76 : 65,554.64 = 40,426.70 : x
  2. Step 2: Convert to fraction form
    47,611.76/65,554.64 = 40,426.70/x
  3. Step 3: Cross multiply
    47,611.76x = 65,554.64 × 40,426.70
  4. Step 4: Simplify right side
    47,611.76x = 2,650,157,764.89
  5. Step 5: Solve for x
    x = 2,650,157,764.89/47,611.76
  6. Step 6: Final answer
    x = 55,661.83

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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.