Home / 63,611.35-87,780.23-35,315.21

Finding the Fourth Proportional to 63,611.35, 87,780.23 and 35,315.21

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Solution

The fourth proportional to 63,611.35, 87,780.23 and 35,315.21 is: 48,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611.35 : 87,780.23 = 35,315.21 : x
  2. Step 2: Convert to fraction form
    63,611.35/87,780.23 = 35,315.21/x
  3. Step 3: Cross multiply
    63,611.35x = 87,780.23 × 35,315.21
  4. Step 4: Simplify right side
    63,611.35x = 3,099,977,256.30
  5. Step 5: Solve for x
    x = 3,099,977,256.30/63,611.35
  6. Step 6: Final answer
    x = 48,733.09

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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.