Home / 30,591.09-42,215.01-17,162.03

Finding the Fourth Proportional to 30,591.09, 42,215.01 and 17,162.03

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Solution

The fourth proportional to 30,591.09, 42,215.01 and 17,162.03 is: 23,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.09 : 42,215.01 = 17,162.03 : x
  2. Step 2: Convert to fraction form
    30,591.09/42,215.01 = 17,162.03/x
  3. Step 3: Cross multiply
    30,591.09x = 42,215.01 × 17,162.03
  4. Step 4: Simplify right side
    30,591.09x = 724,495,309.25
  5. Step 5: Solve for x
    x = 724,495,309.25/30,591.09
  6. Step 6: Final answer
    x = 23,683.21

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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.