Home / 39,394.21-59,091.32-13,099.18

Finding the Fourth Proportional to 39,394.21, 59,091.32 and 13,099.18

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Solution

The fourth proportional to 39,394.21, 59,091.32 and 13,099.18 is: 19,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.21 : 59,091.32 = 13,099.18 : x
  2. Step 2: Convert to fraction form
    39,394.21/59,091.32 = 13,099.18/x
  3. Step 3: Cross multiply
    39,394.21x = 59,091.32 × 13,099.18
  4. Step 4: Simplify right side
    39,394.21x = 774,047,837.12
  5. Step 5: Solve for x
    x = 774,047,837.12/39,394.21
  6. Step 6: Final answer
    x = 19,648.77

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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.