Home / 35,085.14-48,401.24-20,172.50

Finding the Fourth Proportional to 35,085.14, 48,401.24 and 20,172.50

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Solution

The fourth proportional to 35,085.14, 48,401.24 and 20,172.50 is: 27,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.14 : 48,401.24 = 20,172.50 : x
  2. Step 2: Convert to fraction form
    35,085.14/48,401.24 = 20,172.50/x
  3. Step 3: Cross multiply
    35,085.14x = 48,401.24 × 20,172.50
  4. Step 4: Simplify right side
    35,085.14x = 976,374,013.90
  5. Step 5: Solve for x
    x = 976,374,013.90/35,085.14
  6. Step 6: Final answer
    x = 27,828.71

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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.