Home / 30,068.02-45,112.56-9,291.52

Finding the Fourth Proportional to 30,068.02, 45,112.56 and 9,291.52

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Solution

The fourth proportional to 30,068.02, 45,112.56 and 9,291.52 is: 13,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.02 : 45,112.56 = 9,291.52 : x
  2. Step 2: Convert to fraction form
    30,068.02/45,112.56 = 9,291.52/x
  3. Step 3: Cross multiply
    30,068.02x = 45,112.56 × 9,291.52
  4. Step 4: Simplify right side
    30,068.02x = 419,164,253.49
  5. Step 5: Solve for x
    x = 419,164,253.49/30,068.02
  6. Step 6: Final answer
    x = 13,940.53

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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.