Home / 48,215.08-72,334.17-20,119.51

Finding the Fourth Proportional to 48,215.08, 72,334.17 and 20,119.51

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Solution

The fourth proportional to 48,215.08, 72,334.17 and 20,119.51 is: 30,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215.08 : 72,334.17 = 20,119.51 : x
  2. Step 2: Convert to fraction form
    48,215.08/72,334.17 = 20,119.51/x
  3. Step 3: Cross multiply
    48,215.08x = 72,334.17 × 20,119.51
  4. Step 4: Simplify right side
    48,215.08x = 1,455,327,906.92
  5. Step 5: Solve for x
    x = 1,455,327,906.92/48,215.08
  6. Step 6: Final answer
    x = 30,184.08

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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.