Home / 32,412.80-48,554.40-18,545.60

Finding the Fourth Proportional to 32,412.80, 48,554.40 and 18,545.60

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Solution

The fourth proportional to 32,412.80, 48,554.40 and 18,545.60 is: 27,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,412.80 : 48,554.40 = 18,545.60 : x
  2. Step 2: Convert to fraction form
    32,412.80/48,554.40 = 18,545.60/x
  3. Step 3: Cross multiply
    32,412.80x = 48,554.40 × 18,545.60
  4. Step 4: Simplify right side
    32,412.80x = 900,470,480.64
  5. Step 5: Solve for x
    x = 900,470,480.64/32,412.80
  6. Step 6: Final answer
    x = 27,781.32

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1.5x scale

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.