Home / 45,781.77-68,683.37-14,190.18

Finding the Fourth Proportional to 45,781.77, 68,683.37 and 14,190.18

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Solution

The fourth proportional to 45,781.77, 68,683.37 and 14,190.18 is: 21,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.77 : 68,683.37 = 14,190.18 : x
  2. Step 2: Convert to fraction form
    45,781.77/68,683.37 = 14,190.18/x
  3. Step 3: Cross multiply
    45,781.77x = 68,683.37 × 14,190.18
  4. Step 4: Simplify right side
    45,781.77x = 974,629,312.36
  5. Step 5: Solve for x
    x = 974,629,312.36/45,781.77
  6. Step 6: Final answer
    x = 21,288.59

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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.