Home / 35,512.30-49,009.35-20,409.85

Finding the Fourth Proportional to 35,512.30, 49,009.35 and 20,409.85

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Solution

The fourth proportional to 35,512.30, 49,009.35 and 20,409.85 is: 28,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.30 : 49,009.35 = 20,409.85 : x
  2. Step 2: Convert to fraction form
    35,512.30/49,009.35 = 20,409.85/x
  3. Step 3: Cross multiply
    35,512.30x = 49,009.35 × 20,409.85
  4. Step 4: Simplify right side
    35,512.30x = 1,000,273,482.10
  5. Step 5: Solve for x
    x = 1,000,273,482.10/35,512.30
  6. Step 6: Final answer
    x = 28,166.96

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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.