Home / 38,453.40-57,680.10-16,291.80

Finding the Fourth Proportional to 38,453.40, 57,680.10 and 16,291.80

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Solution

The fourth proportional to 38,453.40, 57,680.10 and 16,291.80 is: 24,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.40 : 57,680.10 = 16,291.80 : x
  2. Step 2: Convert to fraction form
    38,453.40/57,680.10 = 16,291.80/x
  3. Step 3: Cross multiply
    38,453.40x = 57,680.10 × 16,291.80
  4. Step 4: Simplify right side
    38,453.40x = 939,712,653.18
  5. Step 5: Solve for x
    x = 939,712,653.18/38,453.40
  6. Step 6: Final answer
    x = 24,437.70

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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.