Home / 51,753.47-77,636.58-18,477.05

Finding the Fourth Proportional to 51,753.47, 77,636.58 and 18,477.05

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Solution

The fourth proportional to 51,753.47, 77,636.58 and 18,477.05 is: 27,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,753.47 : 77,636.58 = 18,477.05 : x
  2. Step 2: Convert to fraction form
    51,753.47/77,636.58 = 18,477.05/x
  3. Step 3: Cross multiply
    51,753.47x = 77,636.58 × 18,477.05
  4. Step 4: Simplify right side
    51,753.47x = 1,434,494,513.02
  5. Step 5: Solve for x
    x = 1,434,494,513.02/51,753.47
  6. Step 6: Final answer
    x = 27,717.84

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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.