Home / 49,518.80-74,278.20-16,686.80

Finding the Fourth Proportional to 49,518.80, 74,278.20 and 16,686.80

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Solution

The fourth proportional to 49,518.80, 74,278.20 and 16,686.80 is: 25,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.80 : 74,278.20 = 16,686.80 : x
  2. Step 2: Convert to fraction form
    49,518.80/74,278.20 = 16,686.80/x
  3. Step 3: Cross multiply
    49,518.80x = 74,278.20 × 16,686.80
  4. Step 4: Simplify right side
    49,518.80x = 1,239,465,467.76
  5. Step 5: Solve for x
    x = 1,239,465,467.76/49,518.80
  6. Step 6: Final answer
    x = 25,030.20

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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.