Home / 39,431.90-59,098.63-19,716.10

Finding the Fourth Proportional to 39,431.90, 59,098.63 and 19,716.10

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Solution

The fourth proportional to 39,431.90, 59,098.63 and 19,716.10 is: 29,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.90 : 59,098.63 = 19,716.10 : x
  2. Step 2: Convert to fraction form
    39,431.90/59,098.63 = 19,716.10/x
  3. Step 3: Cross multiply
    39,431.90x = 59,098.63 × 19,716.10
  4. Step 4: Simplify right side
    39,431.90x = 1,165,194,449.71
  5. Step 5: Solve for x
    x = 1,165,194,449.71/39,431.90
  6. Step 6: Final answer
    x = 29,549.54

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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.