Home / 43,430.28-65,072.86-41,812.36

Finding the Fourth Proportional to 43,430.28, 65,072.86 and 41,812.36

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Solution

The fourth proportional to 43,430.28, 65,072.86 and 41,812.36 is: 62,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,430.28 : 65,072.86 = 41,812.36 : x
  2. Step 2: Convert to fraction form
    43,430.28/65,072.86 = 41,812.36/x
  3. Step 3: Cross multiply
    43,430.28x = 65,072.86 × 41,812.36
  4. Step 4: Simplify right side
    43,430.28x = 2,720,849,848.55
  5. Step 5: Solve for x
    x = 2,720,849,848.55/43,430.28
  6. Step 6: Final answer
    x = 62,648.68

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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.