Home / 53,004.47-79,509.45-13,561.92

Finding the Fourth Proportional to 53,004.47, 79,509.45 and 13,561.92

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Solution

The fourth proportional to 53,004.47, 79,509.45 and 13,561.92 is: 20,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.47 : 79,509.45 = 13,561.92 : x
  2. Step 2: Convert to fraction form
    53,004.47/79,509.45 = 13,561.92/x
  3. Step 3: Cross multiply
    53,004.47x = 79,509.45 × 13,561.92
  4. Step 4: Simplify right side
    53,004.47x = 1,078,300,800.14
  5. Step 5: Solve for x
    x = 1,078,300,800.14/53,004.47
  6. Step 6: Final answer
    x = 20,343.58

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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.