Home / 51,029.48-70,421.85-28,367.60

Finding the Fourth Proportional to 51,029.48, 70,421.85 and 28,367.60

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Solution

The fourth proportional to 51,029.48, 70,421.85 and 28,367.60 is: 39,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,029.48 : 70,421.85 = 28,367.60 : x
  2. Step 2: Convert to fraction form
    51,029.48/70,421.85 = 28,367.60/x
  3. Step 3: Cross multiply
    51,029.48x = 70,421.85 × 28,367.60
  4. Step 4: Simplify right side
    51,029.48x = 1,997,698,519.95
  5. Step 5: Solve for x
    x = 1,997,698,519.95/51,029.48
  6. Step 6: Final answer
    x = 39,147.93

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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.