Home / 34,220.28-51,346.74-18,637.56

Finding the Fourth Proportional to 34,220.28, 51,346.74 and 18,637.56

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Solution

The fourth proportional to 34,220.28, 51,346.74 and 18,637.56 is: 27,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.28 : 51,346.74 = 18,637.56 : x
  2. Step 2: Convert to fraction form
    34,220.28/51,346.74 = 18,637.56/x
  3. Step 3: Cross multiply
    34,220.28x = 51,346.74 × 18,637.56
  4. Step 4: Simplify right side
    34,220.28x = 956,977,947.55
  5. Step 5: Solve for x
    x = 956,977,947.55/34,220.28
  6. Step 6: Final answer
    x = 27,965.23

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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.