Home / 34,890.04-48,147.80-18,974.15

Finding the Fourth Proportional to 34,890.04, 48,147.80 and 18,974.15

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Solution

The fourth proportional to 34,890.04, 48,147.80 and 18,974.15 is: 26,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.04 : 48,147.80 = 18,974.15 : x
  2. Step 2: Convert to fraction form
    34,890.04/48,147.80 = 18,974.15/x
  3. Step 3: Cross multiply
    34,890.04x = 48,147.80 × 18,974.15
  4. Step 4: Simplify right side
    34,890.04x = 913,563,243.76
  5. Step 5: Solve for x
    x = 913,563,243.76/34,890.04
  6. Step 6: Final answer
    x = 26,184.07

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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.