Home / 63,639.36-87,861.78-41,017.32

Finding the Fourth Proportional to 63,639.36, 87,861.78 and 41,017.32

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Solution

The fourth proportional to 63,639.36, 87,861.78 and 41,017.32 is: 56,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.36 : 87,861.78 = 41,017.32 : x
  2. Step 2: Convert to fraction form
    63,639.36/87,861.78 = 41,017.32/x
  3. Step 3: Cross multiply
    63,639.36x = 87,861.78 × 41,017.32
  4. Step 4: Simplify right side
    63,639.36x = 3,603,854,746.03
  5. Step 5: Solve for x
    x = 3,603,854,746.03/63,639.36
  6. Step 6: Final answer
    x = 56,629.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.