Home / 30,799.54-42,503.35-17,370.76

Finding the Fourth Proportional to 30,799.54, 42,503.35 and 17,370.76

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Solution

The fourth proportional to 30,799.54, 42,503.35 and 17,370.76 is: 23,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.54 : 42,503.35 = 17,370.76 : x
  2. Step 2: Convert to fraction form
    30,799.54/42,503.35 = 17,370.76/x
  3. Step 3: Cross multiply
    30,799.54x = 42,503.35 × 17,370.76
  4. Step 4: Simplify right side
    30,799.54x = 738,315,487.19
  5. Step 5: Solve for x
    x = 738,315,487.19/30,799.54
  6. Step 6: Final answer
    x = 23,971.64

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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.