Home / 50,148.09-69,206.63-28,639.71

Finding the Fourth Proportional to 50,148.09, 69,206.63 and 28,639.71

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Solution

The fourth proportional to 50,148.09, 69,206.63 and 28,639.71 is: 39,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,148.09 : 69,206.63 = 28,639.71 : x
  2. Step 2: Convert to fraction form
    50,148.09/69,206.63 = 28,639.71/x
  3. Step 3: Cross multiply
    50,148.09x = 69,206.63 × 28,639.71
  4. Step 4: Simplify right side
    50,148.09x = 1,982,057,670.08
  5. Step 5: Solve for x
    x = 1,982,057,670.08/50,148.09
  6. Step 6: Final answer
    x = 39,524.09

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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.