Home / 42,555.48-63,889.78-36,355.34

Finding the Fourth Proportional to 42,555.48, 63,889.78 and 36,355.34

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Solution

The fourth proportional to 42,555.48, 63,889.78 and 36,355.34 is: 54,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.48 : 63,889.78 = 36,355.34 : x
  2. Step 2: Convert to fraction form
    42,555.48/63,889.78 = 36,355.34/x
  3. Step 3: Cross multiply
    42,555.48x = 63,889.78 × 36,355.34
  4. Step 4: Simplify right side
    42,555.48x = 2,322,734,674.43
  5. Step 5: Solve for x
    x = 2,322,734,674.43/42,555.48
  6. Step 6: Final answer
    x = 54,581.33

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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.