Home / 50,221.68-69,257.76-30,075.36

Finding the Fourth Proportional to 50,221.68, 69,257.76 and 30,075.36

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Solution

The fourth proportional to 50,221.68, 69,257.76 and 30,075.36 is: 41,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.68 : 69,257.76 = 30,075.36 : x
  2. Step 2: Convert to fraction form
    50,221.68/69,257.76 = 30,075.36/x
  3. Step 3: Cross multiply
    50,221.68x = 69,257.76 × 30,075.36
  4. Step 4: Simplify right side
    50,221.68x = 2,082,952,064.79
  5. Step 5: Solve for x
    x = 2,082,952,064.79/50,221.68
  6. Step 6: Final answer
    x = 41,475.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.