Home / 57,216.45-85,803.60-19,766.91

Finding the Fourth Proportional to 57,216.45, 85,803.60 and 19,766.91

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Solution

The fourth proportional to 57,216.45, 85,803.60 and 19,766.91 is: 29,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.45 : 85,803.60 = 19,766.91 : x
  2. Step 2: Convert to fraction form
    57,216.45/85,803.60 = 19,766.91/x
  3. Step 3: Cross multiply
    57,216.45x = 85,803.60 × 19,766.91
  4. Step 4: Simplify right side
    57,216.45x = 1,696,071,609.86
  5. Step 5: Solve for x
    x = 1,696,071,609.86/57,216.45
  6. Step 6: Final answer
    x = 29,643.08

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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.