Home / 39,082.03-53,929.38-21,851.26

Finding the Fourth Proportional to 39,082.03, 53,929.38 and 21,851.26

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Solution

The fourth proportional to 39,082.03, 53,929.38 and 21,851.26 is: 30,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.03 : 53,929.38 = 21,851.26 : x
  2. Step 2: Convert to fraction form
    39,082.03/53,929.38 = 21,851.26/x
  3. Step 3: Cross multiply
    39,082.03x = 53,929.38 × 21,851.26
  4. Step 4: Simplify right side
    39,082.03x = 1,178,424,904.02
  5. Step 5: Solve for x
    x = 1,178,424,904.02/39,082.03
  6. Step 6: Final answer
    x = 30,152.60

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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.