Home / 30,125.33-45,187.30-10,402.04

Finding the Fourth Proportional to 30,125.33, 45,187.30 and 10,402.04

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Solution

The fourth proportional to 30,125.33, 45,187.30 and 10,402.04 is: 15,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.33 : 45,187.30 = 10,402.04 : x
  2. Step 2: Convert to fraction form
    30,125.33/45,187.30 = 10,402.04/x
  3. Step 3: Cross multiply
    30,125.33x = 45,187.30 × 10,402.04
  4. Step 4: Simplify right side
    30,125.33x = 470,040,102.09
  5. Step 5: Solve for x
    x = 470,040,102.09/30,125.33
  6. Step 6: Final answer
    x = 15,602.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.