Home / 30,117.31-41,563.25-16,688.56

Finding the Fourth Proportional to 30,117.31, 41,563.25 and 16,688.56

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Solution

The fourth proportional to 30,117.31, 41,563.25 and 16,688.56 is: 23,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.31 : 41,563.25 = 16,688.56 : x
  2. Step 2: Convert to fraction form
    30,117.31/41,563.25 = 16,688.56/x
  3. Step 3: Cross multiply
    30,117.31x = 41,563.25 × 16,688.56
  4. Step 4: Simplify right side
    30,117.31x = 693,630,674.62
  5. Step 5: Solve for x
    x = 693,630,674.62/30,117.31
  6. Step 6: Final answer
    x = 23,030.97

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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.