Home / 53,063.38-79,580.49-15,621.94

Finding the Fourth Proportional to 53,063.38, 79,580.49 and 15,621.94

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Solution

The fourth proportional to 53,063.38, 79,580.49 and 15,621.94 is: 23,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,063.38 : 79,580.49 = 15,621.94 : x
  2. Step 2: Convert to fraction form
    53,063.38/79,580.49 = 15,621.94/x
  3. Step 3: Cross multiply
    53,063.38x = 79,580.49 × 15,621.94
  4. Step 4: Simplify right side
    53,063.38x = 1,243,201,639.95
  5. Step 5: Solve for x
    x = 1,243,201,639.95/53,063.38
  6. Step 6: Final answer
    x = 23,428.62

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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.