Home / 30,376.73-45,563.48-10,657.28

Finding the Fourth Proportional to 30,376.73, 45,563.48 and 10,657.28

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Solution

The fourth proportional to 30,376.73, 45,563.48 and 10,657.28 is: 15,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.73 : 45,563.48 = 10,657.28 : x
  2. Step 2: Convert to fraction form
    30,376.73/45,563.48 = 10,657.28/x
  3. Step 3: Cross multiply
    30,376.73x = 45,563.48 × 10,657.28
  4. Step 4: Simplify right side
    30,376.73x = 485,582,710.85
  5. Step 5: Solve for x
    x = 485,582,710.85/30,376.73
  6. Step 6: Final answer
    x = 15,985.35

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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.