Home / 48,215.37-72,334.52-20,119.81

Finding the Fourth Proportional to 48,215.37, 72,334.52 and 20,119.81

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Solution

The fourth proportional to 48,215.37, 72,334.52 and 20,119.81 is: 30,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215.37 : 72,334.52 = 20,119.81 : x
  2. Step 2: Convert to fraction form
    48,215.37/72,334.52 = 20,119.81/x
  3. Step 3: Cross multiply
    48,215.37x = 72,334.52 × 20,119.81
  4. Step 4: Simplify right side
    48,215.37x = 1,455,356,728.48
  5. Step 5: Solve for x
    x = 1,455,356,728.48/48,215.37
  6. Step 6: Final answer
    x = 30,184.50

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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.