Home / 43,394.40-65,106.18-17,101.80

Finding the Fourth Proportional to 43,394.40, 65,106.18 and 17,101.80

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Solution

The fourth proportional to 43,394.40, 65,106.18 and 17,101.80 is: 25,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.40 : 65,106.18 = 17,101.80 : x
  2. Step 2: Convert to fraction form
    43,394.40/65,106.18 = 17,101.80/x
  3. Step 3: Cross multiply
    43,394.40x = 65,106.18 × 17,101.80
  4. Step 4: Simplify right side
    43,394.40x = 1,113,432,869.12
  5. Step 5: Solve for x
    x = 1,113,432,869.12/43,394.40
  6. Step 6: Final answer
    x = 25,658.45

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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.