Home / 30,799.51-42,503.27-17,370.72

Finding the Fourth Proportional to 30,799.51, 42,503.27 and 17,370.72

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Solution

The fourth proportional to 30,799.51, 42,503.27 and 17,370.72 is: 23,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.51 : 42,503.27 = 17,370.72 : x
  2. Step 2: Convert to fraction form
    30,799.51/42,503.27 = 17,370.72/x
  3. Step 3: Cross multiply
    30,799.51x = 42,503.27 × 17,370.72
  4. Step 4: Simplify right side
    30,799.51x = 738,312,434.94
  5. Step 5: Solve for x
    x = 738,312,434.94/30,799.51
  6. Step 6: Final answer
    x = 23,971.56

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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.