Home / 51,058.08-70,451.64-28,396.44

Finding the Fourth Proportional to 51,058.08, 70,451.64 and 28,396.44

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Solution

The fourth proportional to 51,058.08, 70,451.64 and 28,396.44 is: 39,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.08 : 70,451.64 = 28,396.44 : x
  2. Step 2: Convert to fraction form
    51,058.08/70,451.64 = 28,396.44/x
  3. Step 3: Cross multiply
    51,058.08x = 70,451.64 × 28,396.44
  4. Step 4: Simplify right side
    51,058.08x = 2,000,575,768.16
  5. Step 5: Solve for x
    x = 2,000,575,768.16/51,058.08
  6. Step 6: Final answer
    x = 39,182.35

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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.