Home / 30,835.43-42,552.89-16,688.27

Finding the Fourth Proportional to 30,835.43, 42,552.89 and 16,688.27

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Solution

The fourth proportional to 30,835.43, 42,552.89 and 16,688.27 is: 23,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.43 : 42,552.89 = 16,688.27 : x
  2. Step 2: Convert to fraction form
    30,835.43/42,552.89 = 16,688.27/x
  3. Step 3: Cross multiply
    30,835.43x = 42,552.89 × 16,688.27
  4. Step 4: Simplify right side
    30,835.43x = 710,133,821.39
  5. Step 5: Solve for x
    x = 710,133,821.39/30,835.43
  6. Step 6: Final answer
    x = 23,029.80

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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.