Home / 30,257.28-45,393.21-10,535.94

Finding the Fourth Proportional to 30,257.28, 45,393.21 and 10,535.94

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Solution

The fourth proportional to 30,257.28, 45,393.21 and 10,535.94 is: 15,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.28 : 45,393.21 = 10,535.94 : x
  2. Step 2: Convert to fraction form
    30,257.28/45,393.21 = 10,535.94/x
  3. Step 3: Cross multiply
    30,257.28x = 45,393.21 × 10,535.94
  4. Step 4: Simplify right side
    30,257.28x = 478,260,136.97
  5. Step 5: Solve for x
    x = 478,260,136.97/30,257.28
  6. Step 6: Final answer
    x = 15,806.45

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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.