Home / 51,619.60-77,429.40-16,562.80

Finding the Fourth Proportional to 51,619.60, 77,429.40 and 16,562.80

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Solution

The fourth proportional to 51,619.60, 77,429.40 and 16,562.80 is: 24,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.60 : 77,429.40 = 16,562.80 : x
  2. Step 2: Convert to fraction form
    51,619.60/77,429.40 = 16,562.80/x
  3. Step 3: Cross multiply
    51,619.60x = 77,429.40 × 16,562.80
  4. Step 4: Simplify right side
    51,619.60x = 1,282,447,666.32
  5. Step 5: Solve for x
    x = 1,282,447,666.32/51,619.60
  6. Step 6: Final answer
    x = 24,844.20

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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.