Home / 51,916.04-71,638.26-31,777.64

Finding the Fourth Proportional to 51,916.04, 71,638.26 and 31,777.64

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Solution

The fourth proportional to 51,916.04, 71,638.26 and 31,777.64 is: 43,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.04 : 71,638.26 = 31,777.64 : x
  2. Step 2: Convert to fraction form
    51,916.04/71,638.26 = 31,777.64/x
  3. Step 3: Cross multiply
    51,916.04x = 71,638.26 × 31,777.64
  4. Step 4: Simplify right side
    51,916.04x = 2,276,494,836.51
  5. Step 5: Solve for x
    x = 2,276,494,836.51/51,916.04
  6. Step 6: Final answer
    x = 43,849.55

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1.5x scale

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.