Home / 30,897.72-46,348.47-8,713.04

Finding the Fourth Proportional to 30,897.72, 46,348.47 and 8,713.04

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Solution

The fourth proportional to 30,897.72, 46,348.47 and 8,713.04 is: 13,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.72 : 46,348.47 = 8,713.04 : x
  2. Step 2: Convert to fraction form
    30,897.72/46,348.47 = 8,713.04/x
  3. Step 3: Cross multiply
    30,897.72x = 46,348.47 × 8,713.04
  4. Step 4: Simplify right side
    30,897.72x = 403,835,841.31
  5. Step 5: Solve for x
    x = 403,835,841.31/30,897.72
  6. Step 6: Final answer
    x = 13,070.09

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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.