Home / 35,954.12-53,938.86-12,581.32

Finding the Fourth Proportional to 35,954.12, 53,938.86 and 12,581.32

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Solution

The fourth proportional to 35,954.12, 53,938.86 and 12,581.32 is: 18,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.12 : 53,938.86 = 12,581.32 : x
  2. Step 2: Convert to fraction form
    35,954.12/53,938.86 = 12,581.32/x
  3. Step 3: Cross multiply
    35,954.12x = 53,938.86 × 12,581.32
  4. Step 4: Simplify right side
    35,954.12x = 678,622,058.10
  5. Step 5: Solve for x
    x = 678,622,058.10/35,954.12
  6. Step 6: Final answer
    x = 18,874.67

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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.