Home / 51,637.79-71,260.43-30,142.55

Finding the Fourth Proportional to 51,637.79, 71,260.43 and 30,142.55

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Solution

The fourth proportional to 51,637.79, 71,260.43 and 30,142.55 is: 41,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.79 : 71,260.43 = 30,142.55 : x
  2. Step 2: Convert to fraction form
    51,637.79/71,260.43 = 30,142.55/x
  3. Step 3: Cross multiply
    51,637.79x = 71,260.43 × 30,142.55
  4. Step 4: Simplify right side
    51,637.79x = 2,147,971,074.30
  5. Step 5: Solve for x
    x = 2,147,971,074.30/51,637.79
  6. Step 6: Final answer
    x = 41,596.88

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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.