Home / 51,289.92-70,779.56-30,065.09

Finding the Fourth Proportional to 51,289.92, 70,779.56 and 30,065.09

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Solution

The fourth proportional to 51,289.92, 70,779.56 and 30,065.09 is: 41,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.92 : 70,779.56 = 30,065.09 : x
  2. Step 2: Convert to fraction form
    51,289.92/70,779.56 = 30,065.09/x
  3. Step 3: Cross multiply
    51,289.92x = 70,779.56 × 30,065.09
  4. Step 4: Simplify right side
    51,289.92x = 2,127,993,337.34
  5. Step 5: Solve for x
    x = 2,127,993,337.34/51,289.92
  6. Step 6: Final answer
    x = 41,489.50

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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.