Home / 45,860.86-63,261.16-28,838.15

Finding the Fourth Proportional to 45,860.86, 63,261.16 and 28,838.15

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Solution

The fourth proportional to 45,860.86, 63,261.16 and 28,838.15 is: 39,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,860.86 : 63,261.16 = 28,838.15 : x
  2. Step 2: Convert to fraction form
    45,860.86/63,261.16 = 28,838.15/x
  3. Step 3: Cross multiply
    45,860.86x = 63,261.16 × 28,838.15
  4. Step 4: Simplify right side
    45,860.86x = 1,824,334,821.25
  5. Step 5: Solve for x
    x = 1,824,334,821.25/45,860.86
  6. Step 6: Final answer
    x = 39,779.78

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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.