Home / 30,670.88-46,001.13-9,894.38

Finding the Fourth Proportional to 30,670.88, 46,001.13 and 9,894.38

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Solution

The fourth proportional to 30,670.88, 46,001.13 and 9,894.38 is: 14,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.88 : 46,001.13 = 9,894.38 : x
  2. Step 2: Convert to fraction form
    30,670.88/46,001.13 = 9,894.38/x
  3. Step 3: Cross multiply
    30,670.88x = 46,001.13 × 9,894.38
  4. Step 4: Simplify right side
    30,670.88x = 455,152,430.64
  5. Step 5: Solve for x
    x = 455,152,430.64/30,670.88
  6. Step 6: Final answer
    x = 14,839.89

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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.