Home / 35,954.14-53,955.51-12,580.78

Finding the Fourth Proportional to 35,954.14, 53,955.51 and 12,580.78

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Solution

The fourth proportional to 35,954.14, 53,955.51 and 12,580.78 is: 18,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.14 : 53,955.51 = 12,580.78 : x
  2. Step 2: Convert to fraction form
    35,954.14/53,955.51 = 12,580.78/x
  3. Step 3: Cross multiply
    35,954.14x = 53,955.51 × 12,580.78
  4. Step 4: Simplify right side
    35,954.14x = 678,802,401.10
  5. Step 5: Solve for x
    x = 678,802,401.10/35,954.14
  6. Step 6: Final answer
    x = 18,879.67

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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.