Home / 30,416.64-41,975.84-16,987.52

Finding the Fourth Proportional to 30,416.64, 41,975.84 and 16,987.52

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Solution

The fourth proportional to 30,416.64, 41,975.84 and 16,987.52 is: 23,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.64 : 41,975.84 = 16,987.52 : x
  2. Step 2: Convert to fraction form
    30,416.64/41,975.84 = 16,987.52/x
  3. Step 3: Cross multiply
    30,416.64x = 41,975.84 × 16,987.52
  4. Step 4: Simplify right side
    30,416.64x = 713,065,421.52
  5. Step 5: Solve for x
    x = 713,065,421.52/30,416.64
  6. Step 6: Final answer
    x = 23,443.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.