Home / 51,065.85-70,469.85-28,404.36

Finding the Fourth Proportional to 51,065.85, 70,469.85 and 28,404.36

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Solution

The fourth proportional to 51,065.85, 70,469.85 and 28,404.36 is: 39,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.85 : 70,469.85 = 28,404.36 : x
  2. Step 2: Convert to fraction form
    51,065.85/70,469.85 = 28,404.36/x
  3. Step 3: Cross multiply
    51,065.85x = 70,469.85 × 28,404.36
  4. Step 4: Simplify right side
    51,065.85x = 2,001,650,988.55
  5. Step 5: Solve for x
    x = 2,001,650,988.55/51,065.85
  6. Step 6: Final answer
    x = 39,197.45

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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.