Home / 52,082.68-78,148.26-18,816.28

Finding the Fourth Proportional to 52,082.68, 78,148.26 and 18,816.28

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Solution

The fourth proportional to 52,082.68, 78,148.26 and 18,816.28 is: 28,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.68 : 78,148.26 = 18,816.28 : x
  2. Step 2: Convert to fraction form
    52,082.68/78,148.26 = 18,816.28/x
  3. Step 3: Cross multiply
    52,082.68x = 78,148.26 × 18,816.28
  4. Step 4: Simplify right side
    52,082.68x = 1,470,459,541.67
  5. Step 5: Solve for x
    x = 1,470,459,541.67/52,082.68
  6. Step 6: Final answer
    x = 28,233.18

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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.