Home / 30,392.61-41,945.76-16,966.65

Finding the Fourth Proportional to 30,392.61, 41,945.76 and 16,966.65

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Solution

The fourth proportional to 30,392.61, 41,945.76 and 16,966.65 is: 23,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.61 : 41,945.76 = 16,966.65 : x
  2. Step 2: Convert to fraction form
    30,392.61/41,945.76 = 16,966.65/x
  3. Step 3: Cross multiply
    30,392.61x = 41,945.76 × 16,966.65
  4. Step 4: Simplify right side
    30,392.61x = 711,679,028.90
  5. Step 5: Solve for x
    x = 711,679,028.90/30,392.61
  6. Step 6: Final answer
    x = 23,416.19

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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.