Home / 29,688.45-40,970.13-16,076.64

Finding the Fourth Proportional to 29,688.45, 40,970.13 and 16,076.64

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Solution

The fourth proportional to 29,688.45, 40,970.13 and 16,076.64 is: 22,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.45 : 40,970.13 = 16,076.64 : x
  2. Step 2: Convert to fraction form
    29,688.45/40,970.13 = 16,076.64/x
  3. Step 3: Cross multiply
    29,688.45x = 40,970.13 × 16,076.64
  4. Step 4: Simplify right side
    29,688.45x = 658,662,030.76
  5. Step 5: Solve for x
    x = 658,662,030.76/29,688.45
  6. Step 6: Final answer
    x = 22,185.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.