Home / 30,712.04-46,065.86-11,988.58

Finding the Fourth Proportional to 30,712.04, 46,065.86 and 11,988.58

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Solution

The fourth proportional to 30,712.04, 46,065.86 and 11,988.58 is: 17,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.04 : 46,065.86 = 11,988.58 : x
  2. Step 2: Convert to fraction form
    30,712.04/46,065.86 = 11,988.58/x
  3. Step 3: Cross multiply
    30,712.04x = 46,065.86 × 11,988.58
  4. Step 4: Simplify right side
    30,712.04x = 552,264,247.88
  5. Step 5: Solve for x
    x = 552,264,247.88/30,712.04
  6. Step 6: Final answer
    x = 17,982.01

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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.