Home / 39,426.67-54,407.26-21,521.65

Finding the Fourth Proportional to 39,426.67, 54,407.26 and 21,521.65

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Solution

The fourth proportional to 39,426.67, 54,407.26 and 21,521.65 is: 29,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.67 : 54,407.26 = 21,521.65 : x
  2. Step 2: Convert to fraction form
    39,426.67/54,407.26 = 21,521.65/x
  3. Step 3: Cross multiply
    39,426.67x = 54,407.26 × 21,521.65
  4. Step 4: Simplify right side
    39,426.67x = 1,170,934,007.18
  5. Step 5: Solve for x
    x = 1,170,934,007.18/39,426.67
  6. Step 6: Final answer
    x = 29,699.03

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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.