Home / 32,631.75-45,036.36-18,484.56

Finding the Fourth Proportional to 32,631.75, 45,036.36 and 18,484.56

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Solution

The fourth proportional to 32,631.75, 45,036.36 and 18,484.56 is: 25,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631.75 : 45,036.36 = 18,484.56 : x
  2. Step 2: Convert to fraction form
    32,631.75/45,036.36 = 18,484.56/x
  3. Step 3: Cross multiply
    32,631.75x = 45,036.36 × 18,484.56
  4. Step 4: Simplify right side
    32,631.75x = 832,477,298.60
  5. Step 5: Solve for x
    x = 832,477,298.60/32,631.75
  6. Step 6: Final answer
    x = 25,511.27

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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.