Home / 51,483.60-77,218.20-16,426.80

Finding the Fourth Proportional to 51,483.60, 77,218.20 and 16,426.80

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Solution

The fourth proportional to 51,483.60, 77,218.20 and 16,426.80 is: 24,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,483.60 : 77,218.20 = 16,426.80 : x
  2. Step 2: Convert to fraction form
    51,483.60/77,218.20 = 16,426.80/x
  3. Step 3: Cross multiply
    51,483.60x = 77,218.20 × 16,426.80
  4. Step 4: Simplify right side
    51,483.60x = 1,268,447,927.76
  5. Step 5: Solve for x
    x = 1,268,447,927.76/51,483.60
  6. Step 6: Final answer
    x = 24,637.90

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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.