Home / 53,415.21-73,710-29,211.36

Finding the Fourth Proportional to 53,415.21, 73,710 and 29,211.36

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Solution

The fourth proportional to 53,415.21, 73,710 and 29,211.36 is: 40,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.21 : 73,710 = 29,211.36 : x
  2. Step 2: Convert to fraction form
    53,415.21/73,710 = 29,211.36/x
  3. Step 3: Cross multiply
    53,415.21x = 73,710 × 29,211.36
  4. Step 4: Simplify right side
    53,415.21x = 2,153,169,345.60
  5. Step 5: Solve for x
    x = 2,153,169,345.60/53,415.21
  6. Step 6: Final answer
    x = 40,310.04

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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.