Home / 39,120.58-58,680.87-9,538.67

Finding the Fourth Proportional to 39,120.58, 58,680.87 and 9,538.67

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Solution

The fourth proportional to 39,120.58, 58,680.87 and 9,538.67 is: 14,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.58 : 58,680.87 = 9,538.67 : x
  2. Step 2: Convert to fraction form
    39,120.58/58,680.87 = 9,538.67/x
  3. Step 3: Cross multiply
    39,120.58x = 58,680.87 × 9,538.67
  4. Step 4: Simplify right side
    39,120.58x = 559,737,454.24
  5. Step 5: Solve for x
    x = 559,737,454.24/39,120.58
  6. Step 6: Final answer
    x = 14,308.01

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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.