Home / 34,870.84-48,121.19-18,955.69

Finding the Fourth Proportional to 34,870.84, 48,121.19 and 18,955.69

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Solution

The fourth proportional to 34,870.84, 48,121.19 and 18,955.69 is: 26,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.84 : 48,121.19 = 18,955.69 : x
  2. Step 2: Convert to fraction form
    34,870.84/48,121.19 = 18,955.69/x
  3. Step 3: Cross multiply
    34,870.84x = 48,121.19 × 18,955.69
  4. Step 4: Simplify right side
    34,870.84x = 912,170,216.07
  5. Step 5: Solve for x
    x = 912,170,216.07/34,870.84
  6. Step 6: Final answer
    x = 26,158.54

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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.