Home / 53,900.67-80,848.24-20,618.17

Finding the Fourth Proportional to 53,900.67, 80,848.24 and 20,618.17

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Solution

The fourth proportional to 53,900.67, 80,848.24 and 20,618.17 is: 30,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900.67 : 80,848.24 = 20,618.17 : x
  2. Step 2: Convert to fraction form
    53,900.67/80,848.24 = 20,618.17/x
  3. Step 3: Cross multiply
    53,900.67x = 80,848.24 × 20,618.17
  4. Step 4: Simplify right side
    53,900.67x = 1,666,942,756.52
  5. Step 5: Solve for x
    x = 1,666,942,756.52/53,900.67
  6. Step 6: Final answer
    x = 30,926.20

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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.