Home / 39,558.24-54,590.68-21,653.39

Finding the Fourth Proportional to 39,558.24, 54,590.68 and 21,653.39

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Solution

The fourth proportional to 39,558.24, 54,590.68 and 21,653.39 is: 29,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.24 : 54,590.68 = 21,653.39 : x
  2. Step 2: Convert to fraction form
    39,558.24/54,590.68 = 21,653.39/x
  3. Step 3: Cross multiply
    39,558.24x = 54,590.68 × 21,653.39
  4. Step 4: Simplify right side
    39,558.24x = 1,182,072,903.18
  5. Step 5: Solve for x
    x = 1,182,072,903.18/39,558.24
  6. Step 6: Final answer
    x = 29,881.84

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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.