Home / 53,548.16-80,337.29-19,813.68

Finding the Fourth Proportional to 53,548.16, 80,337.29 and 19,813.68

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Solution

The fourth proportional to 53,548.16, 80,337.29 and 19,813.68 is: 29,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,548.16 : 80,337.29 = 19,813.68 : x
  2. Step 2: Convert to fraction form
    53,548.16/80,337.29 = 19,813.68/x
  3. Step 3: Cross multiply
    53,548.16x = 80,337.29 × 19,813.68
  4. Step 4: Simplify right side
    53,548.16x = 1,591,777,257.06
  5. Step 5: Solve for x
    x = 1,591,777,257.06/53,548.16
  6. Step 6: Final answer
    x = 29,726.09

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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.