Home / 42,134.63-63,212.33-12,552.35

Finding the Fourth Proportional to 42,134.63, 63,212.33 and 12,552.35

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Solution

The fourth proportional to 42,134.63, 63,212.33 and 12,552.35 is: 18,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.63 : 63,212.33 = 12,552.35 : x
  2. Step 2: Convert to fraction form
    42,134.63/63,212.33 = 12,552.35/x
  3. Step 3: Cross multiply
    42,134.63x = 63,212.33 × 12,552.35
  4. Step 4: Simplify right side
    42,134.63x = 793,463,005.79
  5. Step 5: Solve for x
    x = 793,463,005.79/42,134.63
  6. Step 6: Final answer
    x = 18,831.61

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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.