Home / 39,308.52-54,244.98-21,403.74

Finding the Fourth Proportional to 39,308.52, 54,244.98 and 21,403.74

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Solution

The fourth proportional to 39,308.52, 54,244.98 and 21,403.74 is: 29,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.52 : 54,244.98 = 21,403.74 : x
  2. Step 2: Convert to fraction form
    39,308.52/54,244.98 = 21,403.74/x
  3. Step 3: Cross multiply
    39,308.52x = 54,244.98 × 21,403.74
  4. Step 4: Simplify right side
    39,308.52x = 1,161,045,448.23
  5. Step 5: Solve for x
    x = 1,161,045,448.23/39,308.52
  6. Step 6: Final answer
    x = 29,536.74

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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.