Home / 43,621.51-65,136.76-34,636.01

Finding the Fourth Proportional to 43,621.51, 65,136.76 and 34,636.01

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Solution

The fourth proportional to 43,621.51, 65,136.76 and 34,636.01 is: 51,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,621.51 : 65,136.76 = 34,636.01 : x
  2. Step 2: Convert to fraction form
    43,621.51/65,136.76 = 34,636.01/x
  3. Step 3: Cross multiply
    43,621.51x = 65,136.76 × 34,636.01
  4. Step 4: Simplify right side
    43,621.51x = 2,256,077,470.73
  5. Step 5: Solve for x
    x = 2,256,077,470.73/43,621.51
  6. Step 6: Final answer
    x = 51,719.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.