Home / 57,095.15-85,648.48-19,650.30

Finding the Fourth Proportional to 57,095.15, 85,648.48 and 19,650.30

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Solution

The fourth proportional to 57,095.15, 85,648.48 and 19,650.30 is: 29,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095.15 : 85,648.48 = 19,650.30 : x
  2. Step 2: Convert to fraction form
    57,095.15/85,648.48 = 19,650.30/x
  3. Step 3: Cross multiply
    57,095.15x = 85,648.48 × 19,650.30
  4. Step 4: Simplify right side
    57,095.15x = 1,683,018,277.42
  5. Step 5: Solve for x
    x = 1,683,018,277.42/57,095.15
  6. Step 6: Final answer
    x = 29,477.43

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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.