Home / 53,970.38-80,956.08-20,682.53

Finding the Fourth Proportional to 53,970.38, 80,956.08 and 20,682.53

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Solution

The fourth proportional to 53,970.38, 80,956.08 and 20,682.53 is: 31,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.38 : 80,956.08 = 20,682.53 : x
  2. Step 2: Convert to fraction form
    53,970.38/80,956.08 = 20,682.53/x
  3. Step 3: Cross multiply
    53,970.38x = 80,956.08 × 20,682.53
  4. Step 4: Simplify right side
    53,970.38x = 1,674,376,265.53
  5. Step 5: Solve for x
    x = 1,674,376,265.53/53,970.38
  6. Step 6: Final answer
    x = 31,023.99

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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.