Home / 30,904.99-42,627.12-29,876.22

Finding the Fourth Proportional to 30,904.99, 42,627.12 and 29,876.22

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Solution

The fourth proportional to 30,904.99, 42,627.12 and 29,876.22 is: 41,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.99 : 42,627.12 = 29,876.22 : x
  2. Step 2: Convert to fraction form
    30,904.99/42,627.12 = 29,876.22/x
  3. Step 3: Cross multiply
    30,904.99x = 42,627.12 × 29,876.22
  4. Step 4: Simplify right side
    30,904.99x = 1,273,537,215.09
  5. Step 5: Solve for x
    x = 1,273,537,215.09/30,904.99
  6. Step 6: Final answer
    x = 41,208.14

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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.