Home / 43,428.42-59,928.66-28,349.46

Finding the Fourth Proportional to 43,428.42, 59,928.66 and 28,349.46

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Solution

The fourth proportional to 43,428.42, 59,928.66 and 28,349.46 is: 39,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428.42 : 59,928.66 = 28,349.46 : x
  2. Step 2: Convert to fraction form
    43,428.42/59,928.66 = 28,349.46/x
  3. Step 3: Cross multiply
    43,428.42x = 59,928.66 × 28,349.46
  4. Step 4: Simplify right side
    43,428.42x = 1,698,945,149.52
  5. Step 5: Solve for x
    x = 1,698,945,149.52/43,428.42
  6. Step 6: Final answer
    x = 39,120.58

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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.