Home / 39,976.12-59,977.14-19,201.24

Finding the Fourth Proportional to 39,976.12, 59,977.14 and 19,201.24

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Solution

The fourth proportional to 39,976.12, 59,977.14 and 19,201.24 is: 28,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.12 : 59,977.14 = 19,201.24 : x
  2. Step 2: Convert to fraction form
    39,976.12/59,977.14 = 19,201.24/x
  3. Step 3: Cross multiply
    39,976.12x = 59,977.14 × 19,201.24
  4. Step 4: Simplify right side
    39,976.12x = 1,151,635,459.65
  5. Step 5: Solve for x
    x = 1,151,635,459.65/39,976.12
  6. Step 6: Final answer
    x = 28,808.08

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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.