Home / 51,150.12-76,707.15-19,569

Finding the Fourth Proportional to 51,150.12, 76,707.15 and 19,569

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Solution

The fourth proportional to 51,150.12, 76,707.15 and 19,569 is: 29,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150.12 : 76,707.15 = 19,569 : x
  2. Step 2: Convert to fraction form
    51,150.12/76,707.15 = 19,569/x
  3. Step 3: Cross multiply
    51,150.12x = 76,707.15 × 19,569
  4. Step 4: Simplify right side
    51,150.12x = 1,501,082,218.35
  5. Step 5: Solve for x
    x = 1,501,082,218.35/51,150.12
  6. Step 6: Final answer
    x = 29,346.60

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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.