Home / 48,401.48-72,621-18,840.08

Finding the Fourth Proportional to 48,401.48, 72,621 and 18,840.08

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Solution

The fourth proportional to 48,401.48, 72,621 and 18,840.08 is: 28,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.48 : 72,621 = 18,840.08 : x
  2. Step 2: Convert to fraction form
    48,401.48/72,621 = 18,840.08/x
  3. Step 3: Cross multiply
    48,401.48x = 72,621 × 18,840.08
  4. Step 4: Simplify right side
    48,401.48x = 1,368,185,449.68
  5. Step 5: Solve for x
    x = 1,368,185,449.68/48,401.48
  6. Step 6: Final answer
    x = 28,267.43

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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.