Home / 53,359.40-79,983.48-20,056.52

Finding the Fourth Proportional to 53,359.40, 79,983.48 and 20,056.52

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Solution

The fourth proportional to 53,359.40, 79,983.48 and 20,056.52 is: 30,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.40 : 79,983.48 = 20,056.52 : x
  2. Step 2: Convert to fraction form
    53,359.40/79,983.48 = 20,056.52/x
  3. Step 3: Cross multiply
    53,359.40x = 79,983.48 × 20,056.52
  4. Step 4: Simplify right side
    53,359.40x = 1,604,190,266.29
  5. Step 5: Solve for x
    x = 1,604,190,266.29/53,359.40
  6. Step 6: Final answer
    x = 30,063.87

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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.