Home / 30,252.42-41,719.38-18,151.02

Finding the Fourth Proportional to 30,252.42, 41,719.38 and 18,151.02

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Solution

The fourth proportional to 30,252.42, 41,719.38 and 18,151.02 is: 25,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.42 : 41,719.38 = 18,151.02 : x
  2. Step 2: Convert to fraction form
    30,252.42/41,719.38 = 18,151.02/x
  3. Step 3: Cross multiply
    30,252.42x = 41,719.38 × 18,151.02
  4. Step 4: Simplify right side
    30,252.42x = 757,249,300.77
  5. Step 5: Solve for x
    x = 757,249,300.77/30,252.42
  6. Step 6: Final answer
    x = 25,031.03

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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.