Home / 45,985.90-63,458.72-28,110.82

Finding the Fourth Proportional to 45,985.90, 63,458.72 and 28,110.82

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Solution

The fourth proportional to 45,985.90, 63,458.72 and 28,110.82 is: 38,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.90 : 63,458.72 = 28,110.82 : x
  2. Step 2: Convert to fraction form
    45,985.90/63,458.72 = 28,110.82/x
  3. Step 3: Cross multiply
    45,985.90x = 63,458.72 × 28,110.82
  4. Step 4: Simplify right side
    45,985.90x = 1,783,876,655.35
  5. Step 5: Solve for x
    x = 1,783,876,655.35/45,985.90
  6. Step 6: Final answer
    x = 38,791.82

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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.