Home / 45,188.67-67,792.93-18,534.81

Finding the Fourth Proportional to 45,188.67, 67,792.93 and 18,534.81

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Solution

The fourth proportional to 45,188.67, 67,792.93 and 18,534.81 is: 27,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.67 : 67,792.93 = 18,534.81 : x
  2. Step 2: Convert to fraction form
    45,188.67/67,792.93 = 18,534.81/x
  3. Step 3: Cross multiply
    45,188.67x = 67,792.93 × 18,534.81
  4. Step 4: Simplify right side
    45,188.67x = 1,256,529,076.89
  5. Step 5: Solve for x
    x = 1,256,529,076.89/45,188.67
  6. Step 6: Final answer
    x = 27,806.29

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1.5x scale

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.