Home / 53,391.81-80,087.89-20,102.93

Finding the Fourth Proportional to 53,391.81, 80,087.89 and 20,102.93

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Solution

The fourth proportional to 53,391.81, 80,087.89 and 20,102.93 is: 30,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.81 : 80,087.89 = 20,102.93 : x
  2. Step 2: Convert to fraction form
    53,391.81/80,087.89 = 20,102.93/x
  3. Step 3: Cross multiply
    53,391.81x = 80,087.89 × 20,102.93
  4. Step 4: Simplify right side
    53,391.81x = 1,610,001,584.34
  5. Step 5: Solve for x
    x = 1,610,001,584.34/53,391.81
  6. Step 6: Final answer
    x = 30,154.47

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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.