Home / 30,799.09-42,502.68-17,370.30

Finding the Fourth Proportional to 30,799.09, 42,502.68 and 17,370.30

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Solution

The fourth proportional to 30,799.09, 42,502.68 and 17,370.30 is: 23,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.09 : 42,502.68 = 17,370.30 : x
  2. Step 2: Convert to fraction form
    30,799.09/42,502.68 = 17,370.30/x
  3. Step 3: Cross multiply
    30,799.09x = 42,502.68 × 17,370.30
  4. Step 4: Simplify right side
    30,799.09x = 738,284,391.10
  5. Step 5: Solve for x
    x = 738,284,391.10/30,799.09
  6. Step 6: Final answer
    x = 23,970.98

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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.