Home / 29,530.80-40,756.14-16,955.28

Finding the Fourth Proportional to 29,530.80, 40,756.14 and 16,955.28

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Solution

The fourth proportional to 29,530.80, 40,756.14 and 16,955.28 is: 23,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.80 : 40,756.14 = 16,955.28 : x
  2. Step 2: Convert to fraction form
    29,530.80/40,756.14 = 16,955.28/x
  3. Step 3: Cross multiply
    29,530.80x = 40,756.14 × 16,955.28
  4. Step 4: Simplify right side
    29,530.80x = 691,031,765.42
  5. Step 5: Solve for x
    x = 691,031,765.42/29,530.80
  6. Step 6: Final answer
    x = 23,400.37

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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.