Home / 30,936.92-46,402.63-8,749.80

Finding the Fourth Proportional to 30,936.92, 46,402.63 and 8,749.80

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Solution

The fourth proportional to 30,936.92, 46,402.63 and 8,749.80 is: 13,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.92 : 46,402.63 = 8,749.80 : x
  2. Step 2: Convert to fraction form
    30,936.92/46,402.63 = 8,749.80/x
  3. Step 3: Cross multiply
    30,936.92x = 46,402.63 × 8,749.80
  4. Step 4: Simplify right side
    30,936.92x = 406,013,710.10
  5. Step 5: Solve for x
    x = 406,013,710.10/30,936.92
  6. Step 6: Final answer
    x = 13,123.92

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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.