Home / 38,424.50-57,586.52-19,688.66

Finding the Fourth Proportional to 38,424.50, 57,586.52 and 19,688.66

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Solution

The fourth proportional to 38,424.50, 57,586.52 and 19,688.66 is: 29,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.50 : 57,586.52 = 19,688.66 : x
  2. Step 2: Convert to fraction form
    38,424.50/57,586.52 = 19,688.66/x
  3. Step 3: Cross multiply
    38,424.50x = 57,586.52 × 19,688.66
  4. Step 4: Simplify right side
    38,424.50x = 1,133,801,412.86
  5. Step 5: Solve for x
    x = 1,133,801,412.86/38,424.50
  6. Step 6: Final answer
    x = 29,507.25

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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.