Home / 30,943.01-42,700.57-16,795.55

Finding the Fourth Proportional to 30,943.01, 42,700.57 and 16,795.55

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Solution

The fourth proportional to 30,943.01, 42,700.57 and 16,795.55 is: 23,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.01 : 42,700.57 = 16,795.55 : x
  2. Step 2: Convert to fraction form
    30,943.01/42,700.57 = 16,795.55/x
  3. Step 3: Cross multiply
    30,943.01x = 42,700.57 × 16,795.55
  4. Step 4: Simplify right side
    30,943.01x = 717,179,623.23
  5. Step 5: Solve for x
    x = 717,179,623.23/30,943.01
  6. Step 6: Final answer
    x = 23,177.43

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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.