Home / 30,962.10-42,727.86-16,814.94

Finding the Fourth Proportional to 30,962.10, 42,727.86 and 16,814.94

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Solution

The fourth proportional to 30,962.10, 42,727.86 and 16,814.94 is: 23,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,962.10 : 42,727.86 = 16,814.94 : x
  2. Step 2: Convert to fraction form
    30,962.10/42,727.86 = 16,814.94/x
  3. Step 3: Cross multiply
    30,962.10x = 42,727.86 × 16,814.94
  4. Step 4: Simplify right side
    30,962.10x = 718,466,402.23
  5. Step 5: Solve for x
    x = 718,466,402.23/30,962.10
  6. Step 6: Final answer
    x = 23,204.71

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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.