Home / 30,829.88-42,547.50-17,402.33

Finding the Fourth Proportional to 30,829.88, 42,547.50 and 17,402.33

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Solution

The fourth proportional to 30,829.88, 42,547.50 and 17,402.33 is: 24,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.88 : 42,547.50 = 17,402.33 : x
  2. Step 2: Convert to fraction form
    30,829.88/42,547.50 = 17,402.33/x
  3. Step 3: Cross multiply
    30,829.88x = 42,547.50 × 17,402.33
  4. Step 4: Simplify right side
    30,829.88x = 740,425,635.68
  5. Step 5: Solve for x
    x = 740,425,635.68/30,829.88
  6. Step 6: Final answer
    x = 24,016.49

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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.