Home / 34,637.76-51,956.64-13,875.84

Finding the Fourth Proportional to 34,637.76, 51,956.64 and 13,875.84

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Solution

The fourth proportional to 34,637.76, 51,956.64 and 13,875.84 is: 20,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,637.76 : 51,956.64 = 13,875.84 : x
  2. Step 2: Convert to fraction form
    34,637.76/51,956.64 = 13,875.84/x
  3. Step 3: Cross multiply
    34,637.76x = 51,956.64 × 13,875.84
  4. Step 4: Simplify right side
    34,637.76x = 720,942,023.58
  5. Step 5: Solve for x
    x = 720,942,023.58/34,637.76
  6. Step 6: Final answer
    x = 20,813.76

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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.