Home / 48,718.05-73,065.12-18,726.18

Finding the Fourth Proportional to 48,718.05, 73,065.12 and 18,726.18

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Solution

The fourth proportional to 48,718.05, 73,065.12 and 18,726.18 is: 28,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.05 : 73,065.12 = 18,726.18 : x
  2. Step 2: Convert to fraction form
    48,718.05/73,065.12 = 18,726.18/x
  3. Step 3: Cross multiply
    48,718.05x = 73,065.12 × 18,726.18
  4. Step 4: Simplify right side
    48,718.05x = 1,368,230,588.84
  5. Step 5: Solve for x
    x = 1,368,230,588.84/48,718.05
  6. Step 6: Final answer
    x = 28,084.67

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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.