Home / 43,277.54-64,916.31-10,445.54

Finding the Fourth Proportional to 43,277.54, 64,916.31 and 10,445.54

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Solution

The fourth proportional to 43,277.54, 64,916.31 and 10,445.54 is: 15,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.54 : 64,916.31 = 10,445.54 : x
  2. Step 2: Convert to fraction form
    43,277.54/64,916.31 = 10,445.54/x
  3. Step 3: Cross multiply
    43,277.54x = 64,916.31 × 10,445.54
  4. Step 4: Simplify right side
    43,277.54x = 678,085,912.76
  5. Step 5: Solve for x
    x = 678,085,912.76/43,277.54
  6. Step 6: Final answer
    x = 15,668.31

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1.5x scale

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.