Home / 39,528.63-54,550.53-21,624.39

Finding the Fourth Proportional to 39,528.63, 54,550.53 and 21,624.39

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Solution

The fourth proportional to 39,528.63, 54,550.53 and 21,624.39 is: 29,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.63 : 54,550.53 = 21,624.39 : x
  2. Step 2: Convert to fraction form
    39,528.63/54,550.53 = 21,624.39/x
  3. Step 3: Cross multiply
    39,528.63x = 54,550.53 × 21,624.39
  4. Step 4: Simplify right side
    39,528.63x = 1,179,621,935.43
  5. Step 5: Solve for x
    x = 1,179,621,935.43/39,528.63
  6. Step 6: Final answer
    x = 29,842.22

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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.