Home / 30,856.14-46,284.20-7,482.57

Finding the Fourth Proportional to 30,856.14, 46,284.20 and 7,482.57

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Solution

The fourth proportional to 30,856.14, 46,284.20 and 7,482.57 is: 11,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.14 : 46,284.20 = 7,482.57 : x
  2. Step 2: Convert to fraction form
    30,856.14/46,284.20 = 7,482.57/x
  3. Step 3: Cross multiply
    30,856.14x = 46,284.20 × 7,482.57
  4. Step 4: Simplify right side
    30,856.14x = 346,324,915.41
  5. Step 5: Solve for x
    x = 346,324,915.41/30,856.14
  6. Step 6: Final answer
    x = 11,223.86

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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.