Home / 30,634.17-42,272.89-17,207.67

Finding the Fourth Proportional to 30,634.17, 42,272.89 and 17,207.67

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Solution

The fourth proportional to 30,634.17, 42,272.89 and 17,207.67 is: 23,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.17 : 42,272.89 = 17,207.67 : x
  2. Step 2: Convert to fraction form
    30,634.17/42,272.89 = 17,207.67/x
  3. Step 3: Cross multiply
    30,634.17x = 42,272.89 × 17,207.67
  4. Step 4: Simplify right side
    30,634.17x = 727,417,699.89
  5. Step 5: Solve for x
    x = 727,417,699.89/30,634.17
  6. Step 6: Final answer
    x = 23,745.30

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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.