Home / 53,280.82-79,898.46-19,977.81

Finding the Fourth Proportional to 53,280.82, 79,898.46 and 19,977.81

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Solution

The fourth proportional to 53,280.82, 79,898.46 and 19,977.81 is: 29,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280.82 : 79,898.46 = 19,977.81 : x
  2. Step 2: Convert to fraction form
    53,280.82/79,898.46 = 19,977.81/x
  3. Step 3: Cross multiply
    53,280.82x = 79,898.46 × 19,977.81
  4. Step 4: Simplify right side
    53,280.82x = 1,596,196,253.17
  5. Step 5: Solve for x
    x = 1,596,196,253.17/53,280.82
  6. Step 6: Final answer
    x = 29,958.18

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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.