Home / 30,104.38-45,165.48-10,384.93

Finding the Fourth Proportional to 30,104.38, 45,165.48 and 10,384.93

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Solution

The fourth proportional to 30,104.38, 45,165.48 and 10,384.93 is: 15,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.38 : 45,165.48 = 10,384.93 : x
  2. Step 2: Convert to fraction form
    30,104.38/45,165.48 = 10,384.93/x
  3. Step 3: Cross multiply
    30,104.38x = 45,165.48 × 10,384.93
  4. Step 4: Simplify right side
    30,104.38x = 469,040,348.22
  5. Step 5: Solve for x
    x = 469,040,348.22/30,104.38
  6. Step 6: Final answer
    x = 15,580.47

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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.