Home / 53,681.03-80,519.00-18,139.98

Finding the Fourth Proportional to 53,681.03, 80,519.00 and 18,139.98

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Solution

The fourth proportional to 53,681.03, 80,519.00 and 18,139.98 is: 27,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.03 : 80,519.00 = 18,139.98 : x
  2. Step 2: Convert to fraction form
    53,681.03/80,519.00 = 18,139.98/x
  3. Step 3: Cross multiply
    53,681.03x = 80,519.00 × 18,139.98
  4. Step 4: Simplify right side
    53,681.03x = 1,460,613,260.87
  5. Step 5: Solve for x
    x = 1,460,613,260.87/53,681.03
  6. Step 6: Final answer
    x = 27,209.11

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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.