Home / 32,582.40-48,873.60-20,918.40

Finding the Fourth Proportional to 32,582.40, 48,873.60 and 20,918.40

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Solution

The fourth proportional to 32,582.40, 48,873.60 and 20,918.40 is: 31,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,582.40 : 48,873.60 = 20,918.40 : x
  2. Step 2: Convert to fraction form
    32,582.40/48,873.60 = 20,918.40/x
  3. Step 3: Cross multiply
    32,582.40x = 48,873.60 × 20,918.40
  4. Step 4: Simplify right side
    32,582.40x = 1,022,357,514.24
  5. Step 5: Solve for x
    x = 1,022,357,514.24/32,582.40
  6. Step 6: Final answer
    x = 31,377.60

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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.