Home / 30,922.12-46,390.80-14,293.72

Finding the Fourth Proportional to 30,922.12, 46,390.80 and 14,293.72

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Solution

The fourth proportional to 30,922.12, 46,390.80 and 14,293.72 is: 21,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.12 : 46,390.80 = 14,293.72 : x
  2. Step 2: Convert to fraction form
    30,922.12/46,390.80 = 14,293.72/x
  3. Step 3: Cross multiply
    30,922.12x = 46,390.80 × 14,293.72
  4. Step 4: Simplify right side
    30,922.12x = 663,097,105.78
  5. Step 5: Solve for x
    x = 663,097,105.78/30,922.12
  6. Step 6: Final answer
    x = 21,444.10

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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.