Home / 30,426.34-41,985.33-16,997.31

Finding the Fourth Proportional to 30,426.34, 41,985.33 and 16,997.31

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Solution

The fourth proportional to 30,426.34, 41,985.33 and 16,997.31 is: 23,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.34 : 41,985.33 = 16,997.31 : x
  2. Step 2: Convert to fraction form
    30,426.34/41,985.33 = 16,997.31/x
  3. Step 3: Cross multiply
    30,426.34x = 41,985.33 × 16,997.31
  4. Step 4: Simplify right side
    30,426.34x = 713,637,459.54
  5. Step 5: Solve for x
    x = 713,637,459.54/30,426.34
  6. Step 6: Final answer
    x = 23,454.59

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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.