Home / 52,299.28-78,362.69-30,131.29

Finding the Fourth Proportional to 52,299.28, 78,362.69 and 30,131.29

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Solution

The fourth proportional to 52,299.28, 78,362.69 and 30,131.29 is: 45,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,299.28 : 78,362.69 = 30,131.29 : x
  2. Step 2: Convert to fraction form
    52,299.28/78,362.69 = 30,131.29/x
  3. Step 3: Cross multiply
    52,299.28x = 78,362.69 × 30,131.29
  4. Step 4: Simplify right side
    52,299.28x = 2,361,168,591.01
  5. Step 5: Solve for x
    x = 2,361,168,591.01/52,299.28
  6. Step 6: Final answer
    x = 45,147.25

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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.