Home / 30,023.64-45,017.46-13,375.32

Finding the Fourth Proportional to 30,023.64, 45,017.46 and 13,375.32

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Solution

The fourth proportional to 30,023.64, 45,017.46 and 13,375.32 is: 20,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.64 : 45,017.46 = 13,375.32 : x
  2. Step 2: Convert to fraction form
    30,023.64/45,017.46 = 13,375.32/x
  3. Step 3: Cross multiply
    30,023.64x = 45,017.46 × 13,375.32
  4. Step 4: Simplify right side
    30,023.64x = 602,122,933.09
  5. Step 5: Solve for x
    x = 602,122,933.09/30,023.64
  6. Step 6: Final answer
    x = 20,054.96

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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.