Home / 49,309-68,051.18-29,172.35

Finding the Fourth Proportional to 49,309, 68,051.18 and 29,172.35

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Solution

The fourth proportional to 49,309, 68,051.18 and 29,172.35 is: 40,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309 : 68,051.18 = 29,172.35 : x
  2. Step 2: Convert to fraction form
    49,309/68,051.18 = 29,172.35/x
  3. Step 3: Cross multiply
    49,309x = 68,051.18 × 29,172.35
  4. Step 4: Simplify right side
    49,309x = 1,985,212,840.87
  5. Step 5: Solve for x
    x = 1,985,212,840.87/49,309
  6. Step 6: Final answer
    x = 40,260.66

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1.5x scale

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.