Home / 53,760.16-80,641.35-19,564.77

Finding the Fourth Proportional to 53,760.16, 80,641.35 and 19,564.77

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Solution

The fourth proportional to 53,760.16, 80,641.35 and 19,564.77 is: 29,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.16 : 80,641.35 = 19,564.77 : x
  2. Step 2: Convert to fraction form
    53,760.16/80,641.35 = 19,564.77/x
  3. Step 3: Cross multiply
    53,760.16x = 80,641.35 × 19,564.77
  4. Step 4: Simplify right side
    53,760.16x = 1,577,729,465.24
  5. Step 5: Solve for x
    x = 1,577,729,465.24/53,760.16
  6. Step 6: Final answer
    x = 29,347.56

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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.