Home / 42,982.65-64,497.51-16,688.43

Finding the Fourth Proportional to 42,982.65, 64,497.51 and 16,688.43

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Solution

The fourth proportional to 42,982.65, 64,497.51 and 16,688.43 is: 25,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,982.65 : 64,497.51 = 16,688.43 : x
  2. Step 2: Convert to fraction form
    42,982.65/64,497.51 = 16,688.43/x
  3. Step 3: Cross multiply
    42,982.65x = 64,497.51 × 16,688.43
  4. Step 4: Simplify right side
    42,982.65x = 1,076,362,180.81
  5. Step 5: Solve for x
    x = 1,076,362,180.81/42,982.65
  6. Step 6: Final answer
    x = 25,041.78

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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.