Home / 30,820.82-42,533.03-16,673.96

Finding the Fourth Proportional to 30,820.82, 42,533.03 and 16,673.96

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Solution

The fourth proportional to 30,820.82, 42,533.03 and 16,673.96 is: 23,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.82 : 42,533.03 = 16,673.96 : x
  2. Step 2: Convert to fraction form
    30,820.82/42,533.03 = 16,673.96/x
  3. Step 3: Cross multiply
    30,820.82x = 42,533.03 × 16,673.96
  4. Step 4: Simplify right side
    30,820.82x = 709,193,957.53
  5. Step 5: Solve for x
    x = 709,193,957.53/30,820.82
  6. Step 6: Final answer
    x = 23,010.22

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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.