Home / 51,806.75-71,495.93-30,585.56

Finding the Fourth Proportional to 51,806.75, 71,495.93 and 30,585.56

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Solution

The fourth proportional to 51,806.75, 71,495.93 and 30,585.56 is: 42,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.75 : 71,495.93 = 30,585.56 : x
  2. Step 2: Convert to fraction form
    51,806.75/71,495.93 = 30,585.56/x
  3. Step 3: Cross multiply
    51,806.75x = 71,495.93 × 30,585.56
  4. Step 4: Simplify right side
    51,806.75x = 2,186,742,775.76
  5. Step 5: Solve for x
    x = 2,186,742,775.76/51,806.75
  6. Step 6: Final answer
    x = 42,209.62

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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.