Home / 45,862.76-63,263.80-28,840.05

Finding the Fourth Proportional to 45,862.76, 63,263.80 and 28,840.05

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Solution

The fourth proportional to 45,862.76, 63,263.80 and 28,840.05 is: 39,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.76 : 63,263.80 = 28,840.05 : x
  2. Step 2: Convert to fraction form
    45,862.76/63,263.80 = 28,840.05/x
  3. Step 3: Cross multiply
    45,862.76x = 63,263.80 × 28,840.05
  4. Step 4: Simplify right side
    45,862.76x = 1,824,531,010.99
  5. Step 5: Solve for x
    x = 1,824,531,010.99/45,862.76
  6. Step 6: Final answer
    x = 39,782.41

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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.