Home / 51,258.86-76,890.61-15,717.58

Finding the Fourth Proportional to 51,258.86, 76,890.61 and 15,717.58

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Solution

The fourth proportional to 51,258.86, 76,890.61 and 15,717.58 is: 23,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.86 : 76,890.61 = 15,717.58 : x
  2. Step 2: Convert to fraction form
    51,258.86/76,890.61 = 15,717.58/x
  3. Step 3: Cross multiply
    51,258.86x = 76,890.61 × 15,717.58
  4. Step 4: Simplify right side
    51,258.86x = 1,208,534,313.92
  5. Step 5: Solve for x
    x = 1,208,534,313.92/51,258.86
  6. Step 6: Final answer
    x = 23,577.08

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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.