Home / 53,438.81-80,112.94-23,430.30

Finding the Fourth Proportional to 53,438.81, 80,112.94 and 23,430.30

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Solution

The fourth proportional to 53,438.81, 80,112.94 and 23,430.30 is: 35,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438.81 : 80,112.94 = 23,430.30 : x
  2. Step 2: Convert to fraction form
    53,438.81/80,112.94 = 23,430.30/x
  3. Step 3: Cross multiply
    53,438.81x = 80,112.94 × 23,430.30
  4. Step 4: Simplify right side
    53,438.81x = 1,877,070,455.33
  5. Step 5: Solve for x
    x = 1,877,070,455.33/53,438.81
  6. Step 6: Final answer
    x = 35,125.61

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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.