Home / 48,378.06-72,571.68-18,798.18

Finding the Fourth Proportional to 48,378.06, 72,571.68 and 18,798.18

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Solution

The fourth proportional to 48,378.06, 72,571.68 and 18,798.18 is: 28,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,378.06 : 72,571.68 = 18,798.18 : x
  2. Step 2: Convert to fraction form
    48,378.06/72,571.68 = 18,798.18/x
  3. Step 3: Cross multiply
    48,378.06x = 72,571.68 × 18,798.18
  4. Step 4: Simplify right side
    48,378.06x = 1,364,215,684.97
  5. Step 5: Solve for x
    x = 1,364,215,684.97/48,378.06
  6. Step 6: Final answer
    x = 28,199.06

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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.