Home / 30,805.24-42,511.08-16,658.05

Finding the Fourth Proportional to 30,805.24, 42,511.08 and 16,658.05

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Solution

The fourth proportional to 30,805.24, 42,511.08 and 16,658.05 is: 22,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.24 : 42,511.08 = 16,658.05 : x
  2. Step 2: Convert to fraction form
    30,805.24/42,511.08 = 16,658.05/x
  3. Step 3: Cross multiply
    30,805.24x = 42,511.08 × 16,658.05
  4. Step 4: Simplify right side
    30,805.24x = 708,151,696.19
  5. Step 5: Solve for x
    x = 708,151,696.19/30,805.24
  6. Step 6: Final answer
    x = 22,988.03

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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.