Home / 39,317.65-54,259.22-21,412.66

Finding the Fourth Proportional to 39,317.65, 54,259.22 and 21,412.66

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Solution

The fourth proportional to 39,317.65, 54,259.22 and 21,412.66 is: 29,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,317.65 : 54,259.22 = 21,412.66 : x
  2. Step 2: Convert to fraction form
    39,317.65/54,259.22 = 21,412.66/x
  3. Step 3: Cross multiply
    39,317.65x = 54,259.22 × 21,412.66
  4. Step 4: Simplify right side
    39,317.65x = 1,161,834,229.73
  5. Step 5: Solve for x
    x = 1,161,834,229.73/39,317.65
  6. Step 6: Final answer
    x = 29,549.94

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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.