Home / 35,505.72-53,274.38-18,861.71

Finding the Fourth Proportional to 35,505.72, 53,274.38 and 18,861.71

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Solution

The fourth proportional to 35,505.72, 53,274.38 and 18,861.71 is: 28,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.72 : 53,274.38 = 18,861.71 : x
  2. Step 2: Convert to fraction form
    35,505.72/53,274.38 = 18,861.71/x
  3. Step 3: Cross multiply
    35,505.72x = 53,274.38 × 18,861.71
  4. Step 4: Simplify right side
    35,505.72x = 1,004,845,545.31
  5. Step 5: Solve for x
    x = 1,004,845,545.31/35,505.72
  6. Step 6: Final answer
    x = 28,300.95

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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.