Home / 53,373.56-79,998.69-20,072.36

Finding the Fourth Proportional to 53,373.56, 79,998.69 and 20,072.36

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Solution

The fourth proportional to 53,373.56, 79,998.69 and 20,072.36 is: 30,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,373.56 : 79,998.69 = 20,072.36 : x
  2. Step 2: Convert to fraction form
    53,373.56/79,998.69 = 20,072.36/x
  3. Step 3: Cross multiply
    53,373.56x = 79,998.69 × 20,072.36
  4. Step 4: Simplify right side
    53,373.56x = 1,605,762,780.48
  5. Step 5: Solve for x
    x = 1,605,762,780.48/53,373.56
  6. Step 6: Final answer
    x = 30,085.36

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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.