Home / 35,972.52-49,631.06-20,862.12

Finding the Fourth Proportional to 35,972.52, 49,631.06 and 20,862.12

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Solution

The fourth proportional to 35,972.52, 49,631.06 and 20,862.12 is: 28,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.52 : 49,631.06 = 20,862.12 : x
  2. Step 2: Convert to fraction form
    35,972.52/49,631.06 = 20,862.12/x
  3. Step 3: Cross multiply
    35,972.52x = 49,631.06 × 20,862.12
  4. Step 4: Simplify right side
    35,972.52x = 1,035,409,129.45
  5. Step 5: Solve for x
    x = 1,035,409,129.45/35,972.52
  6. Step 6: Final answer
    x = 28,783.34

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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.