Home / 30,426.54-41,988.51-16,814.20

Finding the Fourth Proportional to 30,426.54, 41,988.51 and 16,814.20

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Solution

The fourth proportional to 30,426.54, 41,988.51 and 16,814.20 is: 23,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.54 : 41,988.51 = 16,814.20 : x
  2. Step 2: Convert to fraction form
    30,426.54/41,988.51 = 16,814.20/x
  3. Step 3: Cross multiply
    30,426.54x = 41,988.51 × 16,814.20
  4. Step 4: Simplify right side
    30,426.54x = 706,003,204.84
  5. Step 5: Solve for x
    x = 706,003,204.84/30,426.54
  6. Step 6: Final answer
    x = 23,203.53

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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.