Home / 32,725.05-45,174.42-22,129.05

Finding the Fourth Proportional to 32,725.05, 45,174.42 and 22,129.05

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Solution

The fourth proportional to 32,725.05, 45,174.42 and 22,129.05 is: 30,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.05 : 45,174.42 = 22,129.05 : x
  2. Step 2: Convert to fraction form
    32,725.05/45,174.42 = 22,129.05/x
  3. Step 3: Cross multiply
    32,725.05x = 45,174.42 × 22,129.05
  4. Step 4: Simplify right side
    32,725.05x = 999,666,998.90
  5. Step 5: Solve for x
    x = 999,666,998.90/32,725.05
  6. Step 6: Final answer
    x = 30,547.46

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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.