Home / 53,441.36-73,744.68-30,779.12

Finding the Fourth Proportional to 53,441.36, 73,744.68 and 30,779.12

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Solution

The fourth proportional to 53,441.36, 73,744.68 and 30,779.12 is: 42,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,441.36 : 73,744.68 = 30,779.12 : x
  2. Step 2: Convert to fraction form
    53,441.36/73,744.68 = 30,779.12/x
  3. Step 3: Cross multiply
    53,441.36x = 73,744.68 × 30,779.12
  4. Step 4: Simplify right side
    53,441.36x = 2,269,796,355.08
  5. Step 5: Solve for x
    x = 2,269,796,355.08/53,441.36
  6. Step 6: Final answer
    x = 42,472.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.