Home / 32,013.81-48,020.72-12,281.60

Finding the Fourth Proportional to 32,013.81, 48,020.72 and 12,281.60

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Solution

The fourth proportional to 32,013.81, 48,020.72 and 12,281.60 is: 18,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,013.81 : 48,020.72 = 12,281.60 : x
  2. Step 2: Convert to fraction form
    32,013.81/48,020.72 = 12,281.60/x
  3. Step 3: Cross multiply
    32,013.81x = 48,020.72 × 12,281.60
  4. Step 4: Simplify right side
    32,013.81x = 589,770,973.24
  5. Step 5: Solve for x
    x = 589,770,973.24/32,013.81
  6. Step 6: Final answer
    x = 18,422.39

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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.