Home / 52,846.58-72,928.26-28,972.74

Finding the Fourth Proportional to 52,846.58, 72,928.26 and 28,972.74

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Solution

The fourth proportional to 52,846.58, 72,928.26 and 28,972.74 is: 39,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,846.58 : 72,928.26 = 28,972.74 : x
  2. Step 2: Convert to fraction form
    52,846.58/72,928.26 = 28,972.74/x
  3. Step 3: Cross multiply
    52,846.58x = 72,928.26 × 28,972.74
  4. Step 4: Simplify right side
    52,846.58x = 2,112,931,515.63
  5. Step 5: Solve for x
    x = 2,112,931,515.63/52,846.58
  6. Step 6: Final answer
    x = 39,982.37

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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.