Home / 53,534.61-80,270.79-20,257.24

Finding the Fourth Proportional to 53,534.61, 80,270.79 and 20,257.24

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Solution

The fourth proportional to 53,534.61, 80,270.79 and 20,257.24 is: 30,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.61 : 80,270.79 = 20,257.24 : x
  2. Step 2: Convert to fraction form
    53,534.61/80,270.79 = 20,257.24/x
  3. Step 3: Cross multiply
    53,534.61x = 80,270.79 × 20,257.24
  4. Step 4: Simplify right side
    53,534.61x = 1,626,064,658.02
  5. Step 5: Solve for x
    x = 1,626,064,658.02/53,534.61
  6. Step 6: Final answer
    x = 30,374.08

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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.