Home / 32,939.80-49,411.38-18,896.08

Finding the Fourth Proportional to 32,939.80, 49,411.38 and 18,896.08

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Solution

The fourth proportional to 32,939.80, 49,411.38 and 18,896.08 is: 28,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.80 : 49,411.38 = 18,896.08 : x
  2. Step 2: Convert to fraction form
    32,939.80/49,411.38 = 18,896.08/x
  3. Step 3: Cross multiply
    32,939.80x = 49,411.38 × 18,896.08
  4. Step 4: Simplify right side
    32,939.80x = 933,681,389.39
  5. Step 5: Solve for x
    x = 933,681,389.39/32,939.80
  6. Step 6: Final answer
    x = 28,345.08

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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.