Home / 53,049.28-79,584-15,609.28

Finding the Fourth Proportional to 53,049.28, 79,584 and 15,609.28

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Solution

The fourth proportional to 53,049.28, 79,584 and 15,609.28 is: 23,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,049.28 : 79,584 = 15,609.28 : x
  2. Step 2: Convert to fraction form
    53,049.28/79,584 = 15,609.28/x
  3. Step 3: Cross multiply
    53,049.28x = 79,584 × 15,609.28
  4. Step 4: Simplify right side
    53,049.28x = 1,242,248,939.52
  5. Step 5: Solve for x
    x = 1,242,248,939.52/53,049.28
  6. Step 6: Final answer
    x = 23,416.89

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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.