Home / 30,025.15-45,040.28-8,963.84

Finding the Fourth Proportional to 30,025.15, 45,040.28 and 8,963.84

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Solution

The fourth proportional to 30,025.15, 45,040.28 and 8,963.84 is: 13,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.15 : 45,040.28 = 8,963.84 : x
  2. Step 2: Convert to fraction form
    30,025.15/45,040.28 = 8,963.84/x
  3. Step 3: Cross multiply
    30,025.15x = 45,040.28 × 8,963.84
  4. Step 4: Simplify right side
    30,025.15x = 403,733,863.48
  5. Step 5: Solve for x
    x = 403,733,863.48/30,025.15
  6. Step 6: Final answer
    x = 13,446.52

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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.