Home / 39,914.76-59,873.94-12,899.22

Finding the Fourth Proportional to 39,914.76, 59,873.94 and 12,899.22

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Solution

The fourth proportional to 39,914.76, 59,873.94 and 12,899.22 is: 19,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.76 : 59,873.94 = 12,899.22 : x
  2. Step 2: Convert to fraction form
    39,914.76/59,873.94 = 12,899.22/x
  3. Step 3: Cross multiply
    39,914.76x = 59,873.94 × 12,899.22
  4. Step 4: Simplify right side
    39,914.76x = 772,327,124.33
  5. Step 5: Solve for x
    x = 772,327,124.33/39,914.76
  6. Step 6: Final answer
    x = 19,349.41

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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.