Home / 30,515.37-45,779.58-9,454.94

Finding the Fourth Proportional to 30,515.37, 45,779.58 and 9,454.94

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Solution

The fourth proportional to 30,515.37, 45,779.58 and 9,454.94 is: 14,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.37 : 45,779.58 = 9,454.94 : x
  2. Step 2: Convert to fraction form
    30,515.37/45,779.58 = 9,454.94/x
  3. Step 3: Cross multiply
    30,515.37x = 45,779.58 × 9,454.94
  4. Step 4: Simplify right side
    30,515.37x = 432,843,124.90
  5. Step 5: Solve for x
    x = 432,843,124.90/30,515.37
  6. Step 6: Final answer
    x = 14,184.43

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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.