Home / 30,585.08-45,872.71-8,393.28

Finding the Fourth Proportional to 30,585.08, 45,872.71 and 8,393.28

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Solution

The fourth proportional to 30,585.08, 45,872.71 and 8,393.28 is: 12,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.08 : 45,872.71 = 8,393.28 : x
  2. Step 2: Convert to fraction form
    30,585.08/45,872.71 = 8,393.28/x
  3. Step 3: Cross multiply
    30,585.08x = 45,872.71 × 8,393.28
  4. Step 4: Simplify right side
    30,585.08x = 385,022,270.03
  5. Step 5: Solve for x
    x = 385,022,270.03/30,585.08
  6. Step 6: Final answer
    x = 12,588.57

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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.