Home / 48,618.75-72,928.13-15,786.75

Finding the Fourth Proportional to 48,618.75, 72,928.13 and 15,786.75

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Solution

The fourth proportional to 48,618.75, 72,928.13 and 15,786.75 is: 23,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.75 : 72,928.13 = 15,786.75 : x
  2. Step 2: Convert to fraction form
    48,618.75/72,928.13 = 15,786.75/x
  3. Step 3: Cross multiply
    48,618.75x = 72,928.13 × 15,786.75
  4. Step 4: Simplify right side
    48,618.75x = 1,151,298,077.34
  5. Step 5: Solve for x
    x = 1,151,298,077.34/48,618.75
  6. Step 6: Final answer
    x = 23,680.13

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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.