Home / 53,000.56-73,142.04-29,129.50

Finding the Fourth Proportional to 53,000.56, 73,142.04 and 29,129.50

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Solution

The fourth proportional to 53,000.56, 73,142.04 and 29,129.50 is: 40,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.56 : 73,142.04 = 29,129.50 : x
  2. Step 2: Convert to fraction form
    53,000.56/73,142.04 = 29,129.50/x
  3. Step 3: Cross multiply
    53,000.56x = 73,142.04 × 29,129.50
  4. Step 4: Simplify right side
    53,000.56x = 2,130,591,054.18
  5. Step 5: Solve for x
    x = 2,130,591,054.18/53,000.56
  6. Step 6: Final answer
    x = 40,199.41

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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.