Home / 57,239.42-85,862.93-19,803.11

Finding the Fourth Proportional to 57,239.42, 85,862.93 and 19,803.11

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Solution

The fourth proportional to 57,239.42, 85,862.93 and 19,803.11 is: 29,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.42 : 85,862.93 = 19,803.11 : x
  2. Step 2: Convert to fraction form
    57,239.42/85,862.93 = 19,803.11/x
  3. Step 3: Cross multiply
    57,239.42x = 85,862.93 × 19,803.11
  4. Step 4: Simplify right side
    57,239.42x = 1,700,352,519.38
  5. Step 5: Solve for x
    x = 1,700,352,519.38/57,239.42
  6. Step 6: Final answer
    x = 29,705.97

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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.