Home / 30,841.50-42,561.27-16,694.46

Finding the Fourth Proportional to 30,841.50, 42,561.27 and 16,694.46

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Solution

The fourth proportional to 30,841.50, 42,561.27 and 16,694.46 is: 23,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.50 : 42,561.27 = 16,694.46 : x
  2. Step 2: Convert to fraction form
    30,841.50/42,561.27 = 16,694.46/x
  3. Step 3: Cross multiply
    30,841.50x = 42,561.27 × 16,694.46
  4. Step 4: Simplify right side
    30,841.50x = 710,537,419.56
  5. Step 5: Solve for x
    x = 710,537,419.56/30,841.50
  6. Step 6: Final answer
    x = 23,038.35

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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.