Home / 39,670.15-59,505.43-13,375.12

Finding the Fourth Proportional to 39,670.15, 59,505.43 and 13,375.12

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Solution

The fourth proportional to 39,670.15, 59,505.43 and 13,375.12 is: 20,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.15 : 59,505.43 = 13,375.12 : x
  2. Step 2: Convert to fraction form
    39,670.15/59,505.43 = 13,375.12/x
  3. Step 3: Cross multiply
    39,670.15x = 59,505.43 × 13,375.12
  4. Step 4: Simplify right side
    39,670.15x = 795,892,266.90
  5. Step 5: Solve for x
    x = 795,892,266.90/39,670.15
  6. Step 6: Final answer
    x = 20,062.75

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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.