Home / 30,060.96-45,056.58-11,329.00

Finding the Fourth Proportional to 30,060.96, 45,056.58 and 11,329.00

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Solution

The fourth proportional to 30,060.96, 45,056.58 and 11,329.00 is: 16,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.96 : 45,056.58 = 11,329.00 : x
  2. Step 2: Convert to fraction form
    30,060.96/45,056.58 = 11,329.00/x
  3. Step 3: Cross multiply
    30,060.96x = 45,056.58 × 11,329.00
  4. Step 4: Simplify right side
    30,060.96x = 510,445,987.90
  5. Step 5: Solve for x
    x = 510,445,987.90/30,060.96
  6. Step 6: Final answer
    x = 16,980.36

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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.