Home / 30,223.22-45,319.17-13,568.91

Finding the Fourth Proportional to 30,223.22, 45,319.17 and 13,568.91

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Solution

The fourth proportional to 30,223.22, 45,319.17 and 13,568.91 is: 20,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.22 : 45,319.17 = 13,568.91 : x
  2. Step 2: Convert to fraction form
    30,223.22/45,319.17 = 13,568.91/x
  3. Step 3: Cross multiply
    30,223.22x = 45,319.17 × 13,568.91
  4. Step 4: Simplify right side
    30,223.22x = 614,931,739.00
  5. Step 5: Solve for x
    x = 614,931,739.00/30,223.22
  6. Step 6: Final answer
    x = 20,346.34

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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.