Home / 50,710.20-76,065.30-13,774.20

Finding the Fourth Proportional to 50,710.20, 76,065.30 and 13,774.20

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Solution

The fourth proportional to 50,710.20, 76,065.30 and 13,774.20 is: 20,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,710.20 : 76,065.30 = 13,774.20 : x
  2. Step 2: Convert to fraction form
    50,710.20/76,065.30 = 13,774.20/x
  3. Step 3: Cross multiply
    50,710.20x = 76,065.30 × 13,774.20
  4. Step 4: Simplify right side
    50,710.20x = 1,047,738,655.26
  5. Step 5: Solve for x
    x = 1,047,738,655.26/50,710.20
  6. Step 6: Final answer
    x = 20,661.30

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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.