Home / 34,688.68-47,870.46-18,773.30

Finding the Fourth Proportional to 34,688.68, 47,870.46 and 18,773.30

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Solution

The fourth proportional to 34,688.68, 47,870.46 and 18,773.30 is: 25,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.68 : 47,870.46 = 18,773.30 : x
  2. Step 2: Convert to fraction form
    34,688.68/47,870.46 = 18,773.30/x
  3. Step 3: Cross multiply
    34,688.68x = 47,870.46 × 18,773.30
  4. Step 4: Simplify right side
    34,688.68x = 898,686,626.39
  5. Step 5: Solve for x
    x = 898,686,626.39/34,688.68
  6. Step 6: Final answer
    x = 25,907.20

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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.