Home / 34,795.23-48,017.78-19,688.05

Finding the Fourth Proportional to 34,795.23, 48,017.78 and 19,688.05

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Solution

The fourth proportional to 34,795.23, 48,017.78 and 19,688.05 is: 27,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.23 : 48,017.78 = 19,688.05 : x
  2. Step 2: Convert to fraction form
    34,795.23/48,017.78 = 19,688.05/x
  3. Step 3: Cross multiply
    34,795.23x = 48,017.78 × 19,688.05
  4. Step 4: Simplify right side
    34,795.23x = 945,376,453.53
  5. Step 5: Solve for x
    x = 945,376,453.53/34,795.23
  6. Step 6: Final answer
    x = 27,169.71

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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.