Home / 32,855.36-45,345.52-20,923.92

Finding the Fourth Proportional to 32,855.36, 45,345.52 and 20,923.92

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Solution

The fourth proportional to 32,855.36, 45,345.52 and 20,923.92 is: 28,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.36 : 45,345.52 = 20,923.92 : x
  2. Step 2: Convert to fraction form
    32,855.36/45,345.52 = 20,923.92/x
  3. Step 3: Cross multiply
    32,855.36x = 45,345.52 × 20,923.92
  4. Step 4: Simplify right side
    32,855.36x = 948,806,032.84
  5. Step 5: Solve for x
    x = 948,806,032.84/32,855.36
  6. Step 6: Final answer
    x = 28,878.27

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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.