Home / 48,619.71-72,941.85-13,559.36

Finding the Fourth Proportional to 48,619.71, 72,941.85 and 13,559.36

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Solution

The fourth proportional to 48,619.71, 72,941.85 and 13,559.36 is: 20,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.71 : 72,941.85 = 13,559.36 : x
  2. Step 2: Convert to fraction form
    48,619.71/72,941.85 = 13,559.36/x
  3. Step 3: Cross multiply
    48,619.71x = 72,941.85 × 13,559.36
  4. Step 4: Simplify right side
    48,619.71x = 989,044,438.51
  5. Step 5: Solve for x
    x = 989,044,438.51/48,619.71
  6. Step 6: Final answer
    x = 20,342.46

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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.