Home / 39,298.08-58,868.16-19,516.80

Finding the Fourth Proportional to 39,298.08, 58,868.16 and 19,516.80

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Solution

The fourth proportional to 39,298.08, 58,868.16 and 19,516.80 is: 29,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.08 : 58,868.16 = 19,516.80 : x
  2. Step 2: Convert to fraction form
    39,298.08/58,868.16 = 19,516.80/x
  3. Step 3: Cross multiply
    39,298.08x = 58,868.16 × 19,516.80
  4. Step 4: Simplify right side
    39,298.08x = 1,148,918,105.09
  5. Step 5: Solve for x
    x = 1,148,918,105.09/39,298.08
  6. Step 6: Final answer
    x = 29,235.99

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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.