Home / 43,292.96-64,940.52-12,130.64

Finding the Fourth Proportional to 43,292.96, 64,940.52 and 12,130.64

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Solution

The fourth proportional to 43,292.96, 64,940.52 and 12,130.64 is: 18,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.96 : 64,940.52 = 12,130.64 : x
  2. Step 2: Convert to fraction form
    43,292.96/64,940.52 = 12,130.64/x
  3. Step 3: Cross multiply
    43,292.96x = 64,940.52 × 12,130.64
  4. Step 4: Simplify right side
    43,292.96x = 787,770,069.53
  5. Step 5: Solve for x
    x = 787,770,069.53/43,292.96
  6. Step 6: Final answer
    x = 18,196.26

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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.