Home / 48,389.20-72,486.60-27,588.40

Finding the Fourth Proportional to 48,389.20, 72,486.60 and 27,588.40

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Solution

The fourth proportional to 48,389.20, 72,486.60 and 27,588.40 is: 41,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.20 : 72,486.60 = 27,588.40 : x
  2. Step 2: Convert to fraction form
    48,389.20/72,486.60 = 27,588.40/x
  3. Step 3: Cross multiply
    48,389.20x = 72,486.60 × 27,588.40
  4. Step 4: Simplify right side
    48,389.20x = 1,999,789,315.44
  5. Step 5: Solve for x
    x = 1,999,789,315.44/48,389.20
  6. Step 6: Final answer
    x = 41,327.18

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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.