Home / 30,005.10-41,409.23-18,075.02

Finding the Fourth Proportional to 30,005.10, 41,409.23 and 18,075.02

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Solution

The fourth proportional to 30,005.10, 41,409.23 and 18,075.02 is: 24,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.10 : 41,409.23 = 18,075.02 : x
  2. Step 2: Convert to fraction form
    30,005.10/41,409.23 = 18,075.02/x
  3. Step 3: Cross multiply
    30,005.10x = 41,409.23 × 18,075.02
  4. Step 4: Simplify right side
    30,005.10x = 748,472,363.01
  5. Step 5: Solve for x
    x = 748,472,363.01/30,005.10
  6. Step 6: Final answer
    x = 24,944.84

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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.