Home / 30,865.03-42,595.40-17,436.85

Finding the Fourth Proportional to 30,865.03, 42,595.40 and 17,436.85

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Solution

The fourth proportional to 30,865.03, 42,595.40 and 17,436.85 is: 24,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.03 : 42,595.40 = 17,436.85 : x
  2. Step 2: Convert to fraction form
    30,865.03/42,595.40 = 17,436.85/x
  3. Step 3: Cross multiply
    30,865.03x = 42,595.40 × 17,436.85
  4. Step 4: Simplify right side
    30,865.03x = 742,729,537.59
  5. Step 5: Solve for x
    x = 742,729,537.59/30,865.03
  6. Step 6: Final answer
    x = 24,063.79

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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.