Home / 43,277.80-64,927.52-12,112.80

Finding the Fourth Proportional to 43,277.80, 64,927.52 and 12,112.80

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Solution

The fourth proportional to 43,277.80, 64,927.52 and 12,112.80 is: 18,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.80 : 64,927.52 = 12,112.80 : x
  2. Step 2: Convert to fraction form
    43,277.80/64,927.52 = 12,112.80/x
  3. Step 3: Cross multiply
    43,277.80x = 64,927.52 × 12,112.80
  4. Step 4: Simplify right side
    43,277.80x = 786,454,064.26
  5. Step 5: Solve for x
    x = 786,454,064.26/43,277.80
  6. Step 6: Final answer
    x = 18,172.23

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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.