Home / 51,699.20-77,548.80-16,641.60

Finding the Fourth Proportional to 51,699.20, 77,548.80 and 16,641.60

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Solution

The fourth proportional to 51,699.20, 77,548.80 and 16,641.60 is: 24,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.20 : 77,548.80 = 16,641.60 : x
  2. Step 2: Convert to fraction form
    51,699.20/77,548.80 = 16,641.60/x
  3. Step 3: Cross multiply
    51,699.20x = 77,548.80 × 16,641.60
  4. Step 4: Simplify right side
    51,699.20x = 1,290,536,110.08
  5. Step 5: Solve for x
    x = 1,290,536,110.08/51,699.20
  6. Step 6: Final answer
    x = 24,962.40

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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.