Home / 38,889.45-58,343.42-12,594.15

Finding the Fourth Proportional to 38,889.45, 58,343.42 and 12,594.15

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Solution

The fourth proportional to 38,889.45, 58,343.42 and 12,594.15 is: 18,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.45 : 58,343.42 = 12,594.15 : x
  2. Step 2: Convert to fraction form
    38,889.45/58,343.42 = 12,594.15/x
  3. Step 3: Cross multiply
    38,889.45x = 58,343.42 × 12,594.15
  4. Step 4: Simplify right side
    38,889.45x = 734,785,814.48
  5. Step 5: Solve for x
    x = 734,785,814.48/38,889.45
  6. Step 6: Final answer
    x = 18,894.22

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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.