Home / 30,888.81-42,626.52-16,741.89

Finding the Fourth Proportional to 30,888.81, 42,626.52 and 16,741.89

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Solution

The fourth proportional to 30,888.81, 42,626.52 and 16,741.89 is: 23,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.81 : 42,626.52 = 16,741.89 : x
  2. Step 2: Convert to fraction form
    30,888.81/42,626.52 = 16,741.89/x
  3. Step 3: Cross multiply
    30,888.81x = 42,626.52 × 16,741.89
  4. Step 4: Simplify right side
    30,888.81x = 713,648,508.92
  5. Step 5: Solve for x
    x = 713,648,508.92/30,888.81
  6. Step 6: Final answer
    x = 23,103.79

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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.