Home / 40,102.93-60,091.98-15,129.33

Finding the Fourth Proportional to 40,102.93, 60,091.98 and 15,129.33

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Solution

The fourth proportional to 40,102.93, 60,091.98 and 15,129.33 is: 22,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.93 : 60,091.98 = 15,129.33 : x
  2. Step 2: Convert to fraction form
    40,102.93/60,091.98 = 15,129.33/x
  3. Step 3: Cross multiply
    40,102.93x = 60,091.98 × 15,129.33
  4. Step 4: Simplify right side
    40,102.93x = 909,151,395.77
  5. Step 5: Solve for x
    x = 909,151,395.77/40,102.93
  6. Step 6: Final answer
    x = 22,670.45

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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.