Home / 39,292.30-54,224.81-21,386.44

Finding the Fourth Proportional to 39,292.30, 54,224.81 and 21,386.44

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Solution

The fourth proportional to 39,292.30, 54,224.81 and 21,386.44 is: 29,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.30 : 54,224.81 = 21,386.44 : x
  2. Step 2: Convert to fraction form
    39,292.30/54,224.81 = 21,386.44/x
  3. Step 3: Cross multiply
    39,292.30x = 54,224.81 × 21,386.44
  4. Step 4: Simplify right side
    39,292.30x = 1,159,675,538.64
  5. Step 5: Solve for x
    x = 1,159,675,538.64/39,292.30
  6. Step 6: Final answer
    x = 29,514.07

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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.