Home / 32,876.08-45,333.31-20,924.12

Finding the Fourth Proportional to 32,876.08, 45,333.31 and 20,924.12

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Solution

The fourth proportional to 32,876.08, 45,333.31 and 20,924.12 is: 28,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.08 : 45,333.31 = 20,924.12 : x
  2. Step 2: Convert to fraction form
    32,876.08/45,333.31 = 20,924.12/x
  3. Step 3: Cross multiply
    32,876.08x = 45,333.31 × 20,924.12
  4. Step 4: Simplify right side
    32,876.08x = 948,559,513.82
  5. Step 5: Solve for x
    x = 948,559,513.82/32,876.08
  6. Step 6: Final answer
    x = 28,852.58

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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.