Home / 47,808.63-71,712.87-14,528.55

Finding the Fourth Proportional to 47,808.63, 71,712.87 and 14,528.55

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Solution

The fourth proportional to 47,808.63, 71,712.87 and 14,528.55 is: 21,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.63 : 71,712.87 = 14,528.55 : x
  2. Step 2: Convert to fraction form
    47,808.63/71,712.87 = 14,528.55/x
  3. Step 3: Cross multiply
    47,808.63x = 71,712.87 × 14,528.55
  4. Step 4: Simplify right side
    47,808.63x = 1,041,884,017.44
  5. Step 5: Solve for x
    x = 1,041,884,017.44/47,808.63
  6. Step 6: Final answer
    x = 21,792.80

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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.