Home / 53,799.48-80,710.11-18,741.87

Finding the Fourth Proportional to 53,799.48, 80,710.11 and 18,741.87

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Solution

The fourth proportional to 53,799.48, 80,710.11 and 18,741.87 is: 28,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,799.48 : 80,710.11 = 18,741.87 : x
  2. Step 2: Convert to fraction form
    53,799.48/80,710.11 = 18,741.87/x
  3. Step 3: Cross multiply
    53,799.48x = 80,710.11 × 18,741.87
  4. Step 4: Simplify right side
    53,799.48x = 1,512,658,389.31
  5. Step 5: Solve for x
    x = 1,512,658,389.31/53,799.48
  6. Step 6: Final answer
    x = 28,116.60

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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.