Home / 46,433-64,078.68-28,517.84

Finding the Fourth Proportional to 46,433, 64,078.68 and 28,517.84

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Solution

The fourth proportional to 46,433, 64,078.68 and 28,517.84 is: 39,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,433 : 64,078.68 = 28,517.84 : x
  2. Step 2: Convert to fraction form
    46,433/64,078.68 = 28,517.84/x
  3. Step 3: Cross multiply
    46,433x = 64,078.68 × 28,517.84
  4. Step 4: Simplify right side
    46,433x = 1,827,385,543.65
  5. Step 5: Solve for x
    x = 1,827,385,543.65/46,433
  6. Step 6: Final answer
    x = 39,355.32

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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.