Home / 30,741.04-42,419.16-17,311.96

Finding the Fourth Proportional to 30,741.04, 42,419.16 and 17,311.96

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Solution

The fourth proportional to 30,741.04, 42,419.16 and 17,311.96 is: 23,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741.04 : 42,419.16 = 17,311.96 : x
  2. Step 2: Convert to fraction form
    30,741.04/42,419.16 = 17,311.96/x
  3. Step 3: Cross multiply
    30,741.04x = 42,419.16 × 17,311.96
  4. Step 4: Simplify right side
    30,741.04x = 734,358,801.15
  5. Step 5: Solve for x
    x = 734,358,801.15/30,741.04
  6. Step 6: Final answer
    x = 23,888.55

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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.