Home / 38,617.56-57,922.70-12,317.67

Finding the Fourth Proportional to 38,617.56, 57,922.70 and 12,317.67

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Solution

The fourth proportional to 38,617.56, 57,922.70 and 12,317.67 is: 18,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,617.56 : 57,922.70 = 12,317.67 : x
  2. Step 2: Convert to fraction form
    38,617.56/57,922.70 = 12,317.67/x
  3. Step 3: Cross multiply
    38,617.56x = 57,922.70 × 12,317.67
  4. Step 4: Simplify right side
    38,617.56x = 713,472,642.52
  5. Step 5: Solve for x
    x = 713,472,642.52/38,617.56
  6. Step 6: Final answer
    x = 18,475.34

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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.