Home / 36,427.35-54,642.39-12,730.26

Finding the Fourth Proportional to 36,427.35, 54,642.39 and 12,730.26

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Solution

The fourth proportional to 36,427.35, 54,642.39 and 12,730.26 is: 19,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.35 : 54,642.39 = 12,730.26 : x
  2. Step 2: Convert to fraction form
    36,427.35/54,642.39 = 12,730.26/x
  3. Step 3: Cross multiply
    36,427.35x = 54,642.39 × 12,730.26
  4. Step 4: Simplify right side
    36,427.35x = 695,611,831.72
  5. Step 5: Solve for x
    x = 695,611,831.72/36,427.35
  6. Step 6: Final answer
    x = 19,095.87

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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.