Home / 49,009.19-73,482.19-20,947.55

Finding the Fourth Proportional to 49,009.19, 73,482.19 and 20,947.55

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Solution

The fourth proportional to 49,009.19, 73,482.19 and 20,947.55 is: 31,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.19 : 73,482.19 = 20,947.55 : x
  2. Step 2: Convert to fraction form
    49,009.19/73,482.19 = 20,947.55/x
  3. Step 3: Cross multiply
    49,009.19x = 73,482.19 × 20,947.55
  4. Step 4: Simplify right side
    49,009.19x = 1,539,271,849.13
  5. Step 5: Solve for x
    x = 1,539,271,849.13/49,009.19
  6. Step 6: Final answer
    x = 31,407.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.