Home / 30,982.92-42,756.69-16,835.76

Finding the Fourth Proportional to 30,982.92, 42,756.69 and 16,835.76

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Solution

The fourth proportional to 30,982.92, 42,756.69 and 16,835.76 is: 23,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.92 : 42,756.69 = 16,835.76 : x
  2. Step 2: Convert to fraction form
    30,982.92/42,756.69 = 16,835.76/x
  3. Step 3: Cross multiply
    30,982.92x = 42,756.69 × 16,835.76
  4. Step 4: Simplify right side
    30,982.92x = 719,841,434.37
  5. Step 5: Solve for x
    x = 719,841,434.37/30,982.92
  6. Step 6: Final answer
    x = 23,233.50

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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.