Home / 34,445.70-51,656.40-12,259.80

Finding the Fourth Proportional to 34,445.70, 51,656.40 and 12,259.80

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Solution

The fourth proportional to 34,445.70, 51,656.40 and 12,259.80 is: 18,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.70 : 51,656.40 = 12,259.80 : x
  2. Step 2: Convert to fraction form
    34,445.70/51,656.40 = 12,259.80/x
  3. Step 3: Cross multiply
    34,445.70x = 51,656.40 × 12,259.80
  4. Step 4: Simplify right side
    34,445.70x = 633,297,132.72
  5. Step 5: Solve for x
    x = 633,297,132.72/34,445.70
  6. Step 6: Final answer
    x = 18,385.38

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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.