Home / 48,336.48-72,436.68-38,431.80

Finding the Fourth Proportional to 48,336.48, 72,436.68 and 38,431.80

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Solution

The fourth proportional to 48,336.48, 72,436.68 and 38,431.80 is: 57,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,336.48 : 72,436.68 = 38,431.80 : x
  2. Step 2: Convert to fraction form
    48,336.48/72,436.68 = 38,431.80/x
  3. Step 3: Cross multiply
    48,336.48x = 72,436.68 × 38,431.80
  4. Step 4: Simplify right side
    48,336.48x = 2,783,871,998.42
  5. Step 5: Solve for x
    x = 2,783,871,998.42/48,336.48
  6. Step 6: Final answer
    x = 57,593.60

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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.