Home / 50,970.67-70,338.63-28,308.79

Finding the Fourth Proportional to 50,970.67, 70,338.63 and 28,308.79

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Solution

The fourth proportional to 50,970.67, 70,338.63 and 28,308.79 is: 39,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,970.67 : 70,338.63 = 28,308.79 : x
  2. Step 2: Convert to fraction form
    50,970.67/70,338.63 = 28,308.79/x
  3. Step 3: Cross multiply
    50,970.67x = 70,338.63 × 28,308.79
  4. Step 4: Simplify right side
    50,970.67x = 1,991,201,540.40
  5. Step 5: Solve for x
    x = 1,991,201,540.40/50,970.67
  6. Step 6: Final answer
    x = 39,065.64

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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.