Home / 39,072.02-53,919.17-21,167.37

Finding the Fourth Proportional to 39,072.02, 53,919.17 and 21,167.37

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Solution

The fourth proportional to 39,072.02, 53,919.17 and 21,167.37 is: 29,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.02 : 53,919.17 = 21,167.37 : x
  2. Step 2: Convert to fraction form
    39,072.02/53,919.17 = 21,167.37/x
  3. Step 3: Cross multiply
    39,072.02x = 53,919.17 × 21,167.37
  4. Step 4: Simplify right side
    39,072.02x = 1,141,326,915.65
  5. Step 5: Solve for x
    x = 1,141,326,915.65/39,072.02
  6. Step 6: Final answer
    x = 29,210.85

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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.