Home / 51,090.35-70,498.49-28,423.98

Finding the Fourth Proportional to 51,090.35, 70,498.49 and 28,423.98

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Solution

The fourth proportional to 51,090.35, 70,498.49 and 28,423.98 is: 39,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.35 : 70,498.49 = 28,423.98 : x
  2. Step 2: Convert to fraction form
    51,090.35/70,498.49 = 28,423.98/x
  3. Step 3: Cross multiply
    51,090.35x = 70,498.49 × 28,423.98
  4. Step 4: Simplify right side
    51,090.35x = 2,003,847,527.67
  5. Step 5: Solve for x
    x = 2,003,847,527.67/51,090.35
  6. Step 6: Final answer
    x = 39,221.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.