Home / 38,986.54-58,479.26-9,404.12

Finding the Fourth Proportional to 38,986.54, 58,479.26 and 9,404.12

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Solution

The fourth proportional to 38,986.54, 58,479.26 and 9,404.12 is: 14,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.54 : 58,479.26 = 9,404.12 : x
  2. Step 2: Convert to fraction form
    38,986.54/58,479.26 = 9,404.12/x
  3. Step 3: Cross multiply
    38,986.54x = 58,479.26 × 9,404.12
  4. Step 4: Simplify right side
    38,986.54x = 549,946,077.73
  5. Step 5: Solve for x
    x = 549,946,077.73/38,986.54
  6. Step 6: Final answer
    x = 14,106.05

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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.