Home / 30,945.58-46,410.90-14,289.60

Finding the Fourth Proportional to 30,945.58, 46,410.90 and 14,289.60

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Solution

The fourth proportional to 30,945.58, 46,410.90 and 14,289.60 is: 21,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.58 : 46,410.90 = 14,289.60 : x
  2. Step 2: Convert to fraction form
    30,945.58/46,410.90 = 14,289.60/x
  3. Step 3: Cross multiply
    30,945.58x = 46,410.90 × 14,289.60
  4. Step 4: Simplify right side
    30,945.58x = 663,193,196.64
  5. Step 5: Solve for x
    x = 663,193,196.64/30,945.58
  6. Step 6: Final answer
    x = 21,430.95

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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.