Home / 35,907.36-49,555.28-21,008.16

Finding the Fourth Proportional to 35,907.36, 49,555.28 and 21,008.16

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Solution

The fourth proportional to 35,907.36, 49,555.28 and 21,008.16 is: 28,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.36 : 49,555.28 = 21,008.16 : x
  2. Step 2: Convert to fraction form
    35,907.36/49,555.28 = 21,008.16/x
  3. Step 3: Cross multiply
    35,907.36x = 49,555.28 × 21,008.16
  4. Step 4: Simplify right side
    35,907.36x = 1,041,065,251.08
  5. Step 5: Solve for x
    x = 1,041,065,251.08/35,907.36
  6. Step 6: Final answer
    x = 28,993.09

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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.