Home / 48,381.32-72,548.48-18,400.80

Finding the Fourth Proportional to 48,381.32, 72,548.48 and 18,400.80

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Solution

The fourth proportional to 48,381.32, 72,548.48 and 18,400.80 is: 27,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.32 : 72,548.48 = 18,400.80 : x
  2. Step 2: Convert to fraction form
    48,381.32/72,548.48 = 18,400.80/x
  3. Step 3: Cross multiply
    48,381.32x = 72,548.48 × 18,400.80
  4. Step 4: Simplify right side
    48,381.32x = 1,334,950,070.78
  5. Step 5: Solve for x
    x = 1,334,950,070.78/48,381.32
  6. Step 6: Final answer
    x = 27,592.26

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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.