Home / 30,962.15-42,727.07-16,814.69

Finding the Fourth Proportional to 30,962.15, 42,727.07 and 16,814.69

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Solution

The fourth proportional to 30,962.15, 42,727.07 and 16,814.69 is: 23,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,962.15 : 42,727.07 = 16,814.69 : x
  2. Step 2: Convert to fraction form
    30,962.15/42,727.07 = 16,814.69/x
  3. Step 3: Cross multiply
    30,962.15x = 42,727.07 × 16,814.69
  4. Step 4: Simplify right side
    30,962.15x = 718,442,352.58
  5. Step 5: Solve for x
    x = 718,442,352.58/30,962.15
  6. Step 6: Final answer
    x = 23,203.89

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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.