Home / 30,700.60-42,366.44-17,271.94

Finding the Fourth Proportional to 30,700.60, 42,366.44 and 17,271.94

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Solution

The fourth proportional to 30,700.60, 42,366.44 and 17,271.94 is: 23,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.60 : 42,366.44 = 17,271.94 : x
  2. Step 2: Convert to fraction form
    30,700.60/42,366.44 = 17,271.94/x
  3. Step 3: Cross multiply
    30,700.60x = 42,366.44 × 17,271.94
  4. Step 4: Simplify right side
    30,700.60x = 731,750,609.69
  5. Step 5: Solve for x
    x = 731,750,609.69/30,700.60
  6. Step 6: Final answer
    x = 23,835.06

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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.