Home / 39,782.40-59,680.86-16,396.08

Finding the Fourth Proportional to 39,782.40, 59,680.86 and 16,396.08

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Solution

The fourth proportional to 39,782.40, 59,680.86 and 16,396.08 is: 24,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.40 : 59,680.86 = 16,396.08 : x
  2. Step 2: Convert to fraction form
    39,782.40/59,680.86 = 16,396.08/x
  3. Step 3: Cross multiply
    39,782.40x = 59,680.86 × 16,396.08
  4. Step 4: Simplify right side
    39,782.40x = 978,532,155.03
  5. Step 5: Solve for x
    x = 978,532,155.03/39,782.40
  6. Step 6: Final answer
    x = 24,597.11

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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.