Home / 34,890.16-48,148.52-18,974.56

Finding the Fourth Proportional to 34,890.16, 48,148.52 and 18,974.56

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Solution

The fourth proportional to 34,890.16, 48,148.52 and 18,974.56 is: 26,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.16 : 48,148.52 = 18,974.56 : x
  2. Step 2: Convert to fraction form
    34,890.16/48,148.52 = 18,974.56/x
  3. Step 3: Cross multiply
    34,890.16x = 48,148.52 × 18,974.56
  4. Step 4: Simplify right side
    34,890.16x = 913,596,981.65
  5. Step 5: Solve for x
    x = 913,596,981.65/34,890.16
  6. Step 6: Final answer
    x = 26,184.95

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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.