Home / 85,474.74-128,217.58-32,884.23

Finding the Fourth Proportional to 85,474.74, 128,217.58 and 32,884.23

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Solution

The fourth proportional to 85,474.74, 128,217.58 and 32,884.23 is: 49,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,474.74 : 128,217.58 = 32,884.23 : x
  2. Step 2: Convert to fraction form
    85,474.74/128,217.58 = 32,884.23/x
  3. Step 3: Cross multiply
    85,474.74x = 128,217.58 × 32,884.23
  4. Step 4: Simplify right side
    85,474.74x = 4,216,336,390.76
  5. Step 5: Solve for x
    x = 4,216,336,390.76/85,474.74
  6. Step 6: Final answer
    x = 49,328.45

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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.