Home / 30,881.10-42,615.93-16,733.88

Finding the Fourth Proportional to 30,881.10, 42,615.93 and 16,733.88

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Solution

The fourth proportional to 30,881.10, 42,615.93 and 16,733.88 is: 23,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.10 : 42,615.93 = 16,733.88 : x
  2. Step 2: Convert to fraction form
    30,881.10/42,615.93 = 16,733.88/x
  3. Step 3: Cross multiply
    30,881.10x = 42,615.93 × 16,733.88
  4. Step 4: Simplify right side
    30,881.10x = 713,129,858.71
  5. Step 5: Solve for x
    x = 713,129,858.71/30,881.10
  6. Step 6: Final answer
    x = 23,092.76

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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.