Home / 29,688.71-40,970.48-16,076.90

Finding the Fourth Proportional to 29,688.71, 40,970.48 and 16,076.90

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Solution

The fourth proportional to 29,688.71, 40,970.48 and 16,076.90 is: 22,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.71 : 40,970.48 = 16,076.90 : x
  2. Step 2: Convert to fraction form
    29,688.71/40,970.48 = 16,076.90/x
  3. Step 3: Cross multiply
    29,688.71x = 40,970.48 × 16,076.90
  4. Step 4: Simplify right side
    29,688.71x = 658,678,024.68
  5. Step 5: Solve for x
    x = 658,678,024.68/29,688.71
  6. Step 6: Final answer
    x = 22,186.15

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1.5x scale

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.