Home / 30,280.03-41,788.40-16,851.24

Finding the Fourth Proportional to 30,280.03, 41,788.40 and 16,851.24

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Solution

The fourth proportional to 30,280.03, 41,788.40 and 16,851.24 is: 23,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.03 : 41,788.40 = 16,851.24 : x
  2. Step 2: Convert to fraction form
    30,280.03/41,788.40 = 16,851.24/x
  3. Step 3: Cross multiply
    30,280.03x = 41,788.40 × 16,851.24
  4. Step 4: Simplify right side
    30,280.03x = 704,186,211.02
  5. Step 5: Solve for x
    x = 704,186,211.02/30,280.03
  6. Step 6: Final answer
    x = 23,255.80

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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.