Home / 46,439.88-64,120.32-28,558.86

Finding the Fourth Proportional to 46,439.88, 64,120.32 and 28,558.86

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Solution

The fourth proportional to 46,439.88, 64,120.32 and 28,558.86 is: 39,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.88 : 64,120.32 = 28,558.86 : x
  2. Step 2: Convert to fraction form
    46,439.88/64,120.32 = 28,558.86/x
  3. Step 3: Cross multiply
    46,439.88x = 64,120.32 × 28,558.86
  4. Step 4: Simplify right side
    46,439.88x = 1,831,203,242.04
  5. Step 5: Solve for x
    x = 1,831,203,242.04/46,439.88
  6. Step 6: Final answer
    x = 39,431.70

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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.