Home / 34,836.65-48,074.66-18,920.76

Finding the Fourth Proportional to 34,836.65, 48,074.66 and 18,920.76

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Solution

The fourth proportional to 34,836.65, 48,074.66 and 18,920.76 is: 26,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,836.65 : 48,074.66 = 18,920.76 : x
  2. Step 2: Convert to fraction form
    34,836.65/48,074.66 = 18,920.76/x
  3. Step 3: Cross multiply
    34,836.65x = 48,074.66 × 18,920.76
  4. Step 4: Simplify right side
    34,836.65x = 909,609,009.34
  5. Step 5: Solve for x
    x = 909,609,009.34/34,836.65
  6. Step 6: Final answer
    x = 26,110.69

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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.