Home / 39,045.44-53,882.48-21,140.07

Finding the Fourth Proportional to 39,045.44, 53,882.48 and 21,140.07

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Solution

The fourth proportional to 39,045.44, 53,882.48 and 21,140.07 is: 29,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.44 : 53,882.48 = 21,140.07 : x
  2. Step 2: Convert to fraction form
    39,045.44/53,882.48 = 21,140.07/x
  3. Step 3: Cross multiply
    39,045.44x = 53,882.48 × 21,140.07
  4. Step 4: Simplify right side
    39,045.44x = 1,139,079,552.85
  5. Step 5: Solve for x
    x = 1,139,079,552.85/39,045.44
  6. Step 6: Final answer
    x = 29,173.18

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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.