Home / 30,664.76-42,316.19-17,236.58

Finding the Fourth Proportional to 30,664.76, 42,316.19 and 17,236.58

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Solution

The fourth proportional to 30,664.76, 42,316.19 and 17,236.58 is: 23,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.76 : 42,316.19 = 17,236.58 : x
  2. Step 2: Convert to fraction form
    30,664.76/42,316.19 = 17,236.58/x
  3. Step 3: Cross multiply
    30,664.76x = 42,316.19 × 17,236.58
  4. Step 4: Simplify right side
    30,664.76x = 729,386,096.47
  5. Step 5: Solve for x
    x = 729,386,096.47/30,664.76
  6. Step 6: Final answer
    x = 23,785.81

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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.