Home / 50,412.15-75,653.06-20,830.24

Finding the Fourth Proportional to 50,412.15, 75,653.06 and 20,830.24

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Solution

The fourth proportional to 50,412.15, 75,653.06 and 20,830.24 is: 31,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,412.15 : 75,653.06 = 20,830.24 : x
  2. Step 2: Convert to fraction form
    50,412.15/75,653.06 = 20,830.24/x
  3. Step 3: Cross multiply
    50,412.15x = 75,653.06 × 20,830.24
  4. Step 4: Simplify right side
    50,412.15x = 1,575,871,396.53
  5. Step 5: Solve for x
    x = 1,575,871,396.53/50,412.15
  6. Step 6: Final answer
    x = 31,259.75

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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.