Home / 51,886.10-77,820.96-16,817.58

Finding the Fourth Proportional to 51,886.10, 77,820.96 and 16,817.58

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Solution

The fourth proportional to 51,886.10, 77,820.96 and 16,817.58 is: 25,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,886.10 : 77,820.96 = 16,817.58 : x
  2. Step 2: Convert to fraction form
    51,886.10/77,820.96 = 16,817.58/x
  3. Step 3: Cross multiply
    51,886.10x = 77,820.96 × 16,817.58
  4. Step 4: Simplify right side
    51,886.10x = 1,308,760,220.48
  5. Step 5: Solve for x
    x = 1,308,760,220.48/51,886.10
  6. Step 6: Final answer
    x = 25,223.72

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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.