Home / 85,826.55-128,708.21-29,652.24

Finding the Fourth Proportional to 85,826.55, 128,708.21 and 29,652.24

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Solution

The fourth proportional to 85,826.55, 128,708.21 and 29,652.24 is: 44,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.55 : 128,708.21 = 29,652.24 : x
  2. Step 2: Convert to fraction form
    85,826.55/128,708.21 = 29,652.24/x
  3. Step 3: Cross multiply
    85,826.55x = 128,708.21 × 29,652.24
  4. Step 4: Simplify right side
    85,826.55x = 3,816,486,584.63
  5. Step 5: Solve for x
    x = 3,816,486,584.63/85,826.55
  6. Step 6: Final answer
    x = 44,467.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.