Home / 30,761.12-42,454.26-17,335.67

Finding the Fourth Proportional to 30,761.12, 42,454.26 and 17,335.67

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Solution

The fourth proportional to 30,761.12, 42,454.26 and 17,335.67 is: 23,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.12 : 42,454.26 = 17,335.67 : x
  2. Step 2: Convert to fraction form
    30,761.12/42,454.26 = 17,335.67/x
  3. Step 3: Cross multiply
    30,761.12x = 42,454.26 × 17,335.67
  4. Step 4: Simplify right side
    30,761.12x = 735,973,147.59
  5. Step 5: Solve for x
    x = 735,973,147.59/30,761.12
  6. Step 6: Final answer
    x = 23,925.43

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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.