Home / 30,892.02-42,810.39-30,301.26

Finding the Fourth Proportional to 30,892.02, 42,810.39 and 30,301.26

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Solution

The fourth proportional to 30,892.02, 42,810.39 and 30,301.26 is: 41,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.02 : 42,810.39 = 30,301.26 : x
  2. Step 2: Convert to fraction form
    30,892.02/42,810.39 = 30,301.26/x
  3. Step 3: Cross multiply
    30,892.02x = 42,810.39 × 30,301.26
  4. Step 4: Simplify right side
    30,892.02x = 1,297,208,758.09
  5. Step 5: Solve for x
    x = 1,297,208,758.09/30,892.02
  6. Step 6: Final answer
    x = 41,991.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.