Home / 30,871.26-42,602.33-16,724.10

Finding the Fourth Proportional to 30,871.26, 42,602.33 and 16,724.10

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Solution

The fourth proportional to 30,871.26, 42,602.33 and 16,724.10 is: 23,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.26 : 42,602.33 = 16,724.10 : x
  2. Step 2: Convert to fraction form
    30,871.26/42,602.33 = 16,724.10/x
  3. Step 3: Cross multiply
    30,871.26x = 42,602.33 × 16,724.10
  4. Step 4: Simplify right side
    30,871.26x = 712,485,585.34
  5. Step 5: Solve for x
    x = 712,485,585.34/30,871.26
  6. Step 6: Final answer
    x = 23,079.25

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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.