Home / 30,834.03-42,550.96-16,686.87

Finding the Fourth Proportional to 30,834.03, 42,550.96 and 16,686.87

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Solution

The fourth proportional to 30,834.03, 42,550.96 and 16,686.87 is: 23,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.03 : 42,550.96 = 16,686.87 : x
  2. Step 2: Convert to fraction form
    30,834.03/42,550.96 = 16,686.87/x
  3. Step 3: Cross multiply
    30,834.03x = 42,550.96 × 16,686.87
  4. Step 4: Simplify right side
    30,834.03x = 710,042,373.81
  5. Step 5: Solve for x
    x = 710,042,373.81/30,834.03
  6. Step 6: Final answer
    x = 23,027.88

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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.