Home / 30,585.26-45,872.70-8,393.46

Finding the Fourth Proportional to 30,585.26, 45,872.70 and 8,393.46

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Solution

The fourth proportional to 30,585.26, 45,872.70 and 8,393.46 is: 12,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.26 : 45,872.70 = 8,393.46 : x
  2. Step 2: Convert to fraction form
    30,585.26/45,872.70 = 8,393.46/x
  3. Step 3: Cross multiply
    30,585.26x = 45,872.70 × 8,393.46
  4. Step 4: Simplify right side
    30,585.26x = 385,030,672.54
  5. Step 5: Solve for x
    x = 385,030,672.54/30,585.26
  6. Step 6: Final answer
    x = 12,588.77

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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.