Home / 30,931.47-46,385.33-11,205.27

Finding the Fourth Proportional to 30,931.47, 46,385.33 and 11,205.27

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Solution

The fourth proportional to 30,931.47, 46,385.33 and 11,205.27 is: 16,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.47 : 46,385.33 = 11,205.27 : x
  2. Step 2: Convert to fraction form
    30,931.47/46,385.33 = 11,205.27/x
  3. Step 3: Cross multiply
    30,931.47x = 46,385.33 × 11,205.27
  4. Step 4: Simplify right side
    30,931.47x = 519,760,090.66
  5. Step 5: Solve for x
    x = 519,760,090.66/30,931.47
  6. Step 6: Final answer
    x = 16,803.60

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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.