Home / 51,388.65-77,082.12-15,365.19

Finding the Fourth Proportional to 51,388.65, 77,082.12 and 15,365.19

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Solution

The fourth proportional to 51,388.65, 77,082.12 and 15,365.19 is: 23,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.65 : 77,082.12 = 15,365.19 : x
  2. Step 2: Convert to fraction form
    51,388.65/77,082.12 = 15,365.19/x
  3. Step 3: Cross multiply
    51,388.65x = 77,082.12 × 15,365.19
  4. Step 4: Simplify right side
    51,388.65x = 1,184,381,751.68
  5. Step 5: Solve for x
    x = 1,184,381,751.68/51,388.65
  6. Step 6: Final answer
    x = 23,047.53

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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.