Home / 52,969.40-79,453.05-21,378.62

Finding the Fourth Proportional to 52,969.40, 79,453.05 and 21,378.62

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Solution

The fourth proportional to 52,969.40, 79,453.05 and 21,378.62 is: 32,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,969.40 : 79,453.05 = 21,378.62 : x
  2. Step 2: Convert to fraction form
    52,969.40/79,453.05 = 21,378.62/x
  3. Step 3: Cross multiply
    52,969.40x = 79,453.05 × 21,378.62
  4. Step 4: Simplify right side
    52,969.40x = 1,698,596,166.53
  5. Step 5: Solve for x
    x = 1,698,596,166.53/52,969.40
  6. Step 6: Final answer
    x = 32,067.50

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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.