Home / 57,246.21-78,999.75-34,890.21

Finding the Fourth Proportional to 57,246.21, 78,999.75 and 34,890.21

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Solution

The fourth proportional to 57,246.21, 78,999.75 and 34,890.21 is: 48,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.21 : 78,999.75 = 34,890.21 : x
  2. Step 2: Convert to fraction form
    57,246.21/78,999.75 = 34,890.21/x
  3. Step 3: Cross multiply
    57,246.21x = 78,999.75 × 34,890.21
  4. Step 4: Simplify right side
    57,246.21x = 2,756,317,867.45
  5. Step 5: Solve for x
    x = 2,756,317,867.45/57,246.21
  6. Step 6: Final answer
    x = 48,148.48

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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.