Home / 39,837.02-54,939.51-28,329.30

Finding the Fourth Proportional to 39,837.02, 54,939.51 and 28,329.30

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Solution

The fourth proportional to 39,837.02, 54,939.51 and 28,329.30 is: 39,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.02 : 54,939.51 = 28,329.30 : x
  2. Step 2: Convert to fraction form
    39,837.02/54,939.51 = 28,329.30/x
  3. Step 3: Cross multiply
    39,837.02x = 54,939.51 × 28,329.30
  4. Step 4: Simplify right side
    39,837.02x = 1,556,397,860.64
  5. Step 5: Solve for x
    x = 1,556,397,860.64/39,837.02
  6. Step 6: Final answer
    x = 39,069.14

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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.