Home / 38,670.14-57,992.85-12,368.63

Finding the Fourth Proportional to 38,670.14, 57,992.85 and 12,368.63

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Solution

The fourth proportional to 38,670.14, 57,992.85 and 12,368.63 is: 18,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.14 : 57,992.85 = 12,368.63 : x
  2. Step 2: Convert to fraction form
    38,670.14/57,992.85 = 12,368.63/x
  3. Step 3: Cross multiply
    38,670.14x = 57,992.85 × 12,368.63
  4. Step 4: Simplify right side
    38,670.14x = 717,291,814.33
  5. Step 5: Solve for x
    x = 717,291,814.33/38,670.14
  6. Step 6: Final answer
    x = 18,548.99

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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.