Home / 48,619.56-72,941.65-13,559.22

Finding the Fourth Proportional to 48,619.56, 72,941.65 and 13,559.22

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Solution

The fourth proportional to 48,619.56, 72,941.65 and 13,559.22 is: 20,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.56 : 72,941.65 = 13,559.22 : x
  2. Step 2: Convert to fraction form
    48,619.56/72,941.65 = 13,559.22/x
  3. Step 3: Cross multiply
    48,619.56x = 72,941.65 × 13,559.22
  4. Step 4: Simplify right side
    48,619.56x = 989,031,879.51
  5. Step 5: Solve for x
    x = 989,031,879.51/48,619.56
  6. Step 6: Final answer
    x = 20,342.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.