Home / 30,275.64-45,401.04-17,820.54

Finding the Fourth Proportional to 30,275.64, 45,401.04 and 17,820.54

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Solution

The fourth proportional to 30,275.64, 45,401.04 and 17,820.54 is: 26,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.64 : 45,401.04 = 17,820.54 : x
  2. Step 2: Convert to fraction form
    30,275.64/45,401.04 = 17,820.54/x
  3. Step 3: Cross multiply
    30,275.64x = 45,401.04 × 17,820.54
  4. Step 4: Simplify right side
    30,275.64x = 809,071,049.36
  5. Step 5: Solve for x
    x = 809,071,049.36/30,275.64
  6. Step 6: Final answer
    x = 26,723.50

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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.