Home / 30,299.60-41,818.20-29,316.08

Finding the Fourth Proportional to 30,299.60, 41,818.20 and 29,316.08

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Solution

The fourth proportional to 30,299.60, 41,818.20 and 29,316.08 is: 40,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.60 : 41,818.20 = 29,316.08 : x
  2. Step 2: Convert to fraction form
    30,299.60/41,818.20 = 29,316.08/x
  3. Step 3: Cross multiply
    30,299.60x = 41,818.20 × 29,316.08
  4. Step 4: Simplify right side
    30,299.60x = 1,225,945,696.66
  5. Step 5: Solve for x
    x = 1,225,945,696.66/30,299.60
  6. Step 6: Final answer
    x = 40,460.79

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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.