Home / 30,667.09-46,000.64-9,890.59

Finding the Fourth Proportional to 30,667.09, 46,000.64 and 9,890.59

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Solution

The fourth proportional to 30,667.09, 46,000.64 and 9,890.59 is: 14,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.09 : 46,000.64 = 9,890.59 : x
  2. Step 2: Convert to fraction form
    30,667.09/46,000.64 = 9,890.59/x
  3. Step 3: Cross multiply
    30,667.09x = 46,000.64 × 9,890.59
  4. Step 4: Simplify right side
    30,667.09x = 454,973,469.98
  5. Step 5: Solve for x
    x = 454,973,469.98/30,667.09
  6. Step 6: Final answer
    x = 14,835.89

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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.