Home / 35,872.10-53,743.35-30,688.10

Finding the Fourth Proportional to 35,872.10, 53,743.35 and 30,688.10

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Solution

The fourth proportional to 35,872.10, 53,743.35 and 30,688.10 is: 45,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.10 : 53,743.35 = 30,688.10 : x
  2. Step 2: Convert to fraction form
    35,872.10/53,743.35 = 30,688.10/x
  3. Step 3: Cross multiply
    35,872.10x = 53,743.35 × 30,688.10
  4. Step 4: Simplify right side
    35,872.10x = 1,649,281,299.14
  5. Step 5: Solve for x
    x = 1,649,281,299.14/35,872.10
  6. Step 6: Final answer
    x = 45,976.71

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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.