Home / 45,898.05-68,759.31-31,034.01

Finding the Fourth Proportional to 45,898.05, 68,759.31 and 31,034.01

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Solution

The fourth proportional to 45,898.05, 68,759.31 and 31,034.01 is: 46,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,898.05 : 68,759.31 = 31,034.01 : x
  2. Step 2: Convert to fraction form
    45,898.05/68,759.31 = 31,034.01/x
  3. Step 3: Cross multiply
    45,898.05x = 68,759.31 × 31,034.01
  4. Step 4: Simplify right side
    45,898.05x = 2,133,877,114.13
  5. Step 5: Solve for x
    x = 2,133,877,114.13/45,898.05
  6. Step 6: Final answer
    x = 46,491.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.