Home / 29,399.32-40,575.90-21,467.80

Finding the Fourth Proportional to 29,399.32, 40,575.90 and 21,467.80

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Solution

The fourth proportional to 29,399.32, 40,575.90 and 21,467.80 is: 29,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.32 : 40,575.90 = 21,467.80 : x
  2. Step 2: Convert to fraction form
    29,399.32/40,575.90 = 21,467.80/x
  3. Step 3: Cross multiply
    29,399.32x = 40,575.90 × 21,467.80
  4. Step 4: Simplify right side
    29,399.32x = 871,075,306.02
  5. Step 5: Solve for x
    x = 871,075,306.02/29,399.32
  6. Step 6: Final answer
    x = 29,629.10

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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.