Home / 30,039.02-45,059.15-9,262.50

Finding the Fourth Proportional to 30,039.02, 45,059.15 and 9,262.50

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Solution

The fourth proportional to 30,039.02, 45,059.15 and 9,262.50 is: 13,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.02 : 45,059.15 = 9,262.50 : x
  2. Step 2: Convert to fraction form
    30,039.02/45,059.15 = 9,262.50/x
  3. Step 3: Cross multiply
    30,039.02x = 45,059.15 × 9,262.50
  4. Step 4: Simplify right side
    30,039.02x = 417,360,376.88
  5. Step 5: Solve for x
    x = 417,360,376.88/30,039.02
  6. Step 6: Final answer
    x = 13,893.94

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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.