Home / 53,586.19-80,379.30-19,863.80

Finding the Fourth Proportional to 53,586.19, 80,379.30 and 19,863.80

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Solution

The fourth proportional to 53,586.19, 80,379.30 and 19,863.80 is: 29,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.19 : 80,379.30 = 19,863.80 : x
  2. Step 2: Convert to fraction form
    53,586.19/80,379.30 = 19,863.80/x
  3. Step 3: Cross multiply
    53,586.19x = 80,379.30 × 19,863.80
  4. Step 4: Simplify right side
    53,586.19x = 1,596,637,838.12
  5. Step 5: Solve for x
    x = 1,596,637,838.12/53,586.19
  6. Step 6: Final answer
    x = 29,795.70

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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.