Home / 32,847.58-45,312.45-20,743.68

Finding the Fourth Proportional to 32,847.58, 45,312.45 and 20,743.68

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Solution

The fourth proportional to 32,847.58, 45,312.45 and 20,743.68 is: 28,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.58 : 45,312.45 = 20,743.68 : x
  2. Step 2: Convert to fraction form
    32,847.58/45,312.45 = 20,743.68/x
  3. Step 3: Cross multiply
    32,847.58x = 45,312.45 × 20,743.68
  4. Step 4: Simplify right side
    32,847.58x = 939,946,962.82
  5. Step 5: Solve for x
    x = 939,946,962.82/32,847.58
  6. Step 6: Final answer
    x = 28,615.41

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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.