Home / 30,500.54-42,090.89-17,072.06

Finding the Fourth Proportional to 30,500.54, 42,090.89 and 17,072.06

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Solution

The fourth proportional to 30,500.54, 42,090.89 and 17,072.06 is: 23,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.54 : 42,090.89 = 17,072.06 : x
  2. Step 2: Convert to fraction form
    30,500.54/42,090.89 = 17,072.06/x
  3. Step 3: Cross multiply
    30,500.54x = 42,090.89 × 17,072.06
  4. Step 4: Simplify right side
    30,500.54x = 718,577,903.72
  5. Step 5: Solve for x
    x = 718,577,903.72/30,500.54
  6. Step 6: Final answer
    x = 23,559.52

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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.