Home / 30,148.61-41,604.27-16,719.81

Finding the Fourth Proportional to 30,148.61, 41,604.27 and 16,719.81

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Solution

The fourth proportional to 30,148.61, 41,604.27 and 16,719.81 is: 23,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.61 : 41,604.27 = 16,719.81 : x
  2. Step 2: Convert to fraction form
    30,148.61/41,604.27 = 16,719.81/x
  3. Step 3: Cross multiply
    30,148.61x = 41,604.27 × 16,719.81
  4. Step 4: Simplify right side
    30,148.61x = 695,615,489.59
  5. Step 5: Solve for x
    x = 695,615,489.59/30,148.61
  6. Step 6: Final answer
    x = 23,072.89

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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.