Home / 33,988.34-51,014.95-20,866.34

Finding the Fourth Proportional to 33,988.34, 51,014.95 and 20,866.34

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Solution

The fourth proportional to 33,988.34, 51,014.95 and 20,866.34 is: 31,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.34 : 51,014.95 = 20,866.34 : x
  2. Step 2: Convert to fraction form
    33,988.34/51,014.95 = 20,866.34/x
  3. Step 3: Cross multiply
    33,988.34x = 51,014.95 × 20,866.34
  4. Step 4: Simplify right side
    33,988.34x = 1,064,495,367.15
  5. Step 5: Solve for x
    x = 1,064,495,367.15/33,988.34
  6. Step 6: Final answer
    x = 31,319.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.