Home / 56,139.50-84,209.64-38,556.02

Finding the Fourth Proportional to 56,139.50, 84,209.64 and 38,556.02

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Solution

The fourth proportional to 56,139.50, 84,209.64 and 38,556.02 is: 57,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,139.50 : 84,209.64 = 38,556.02 : x
  2. Step 2: Convert to fraction form
    56,139.50/84,209.64 = 38,556.02/x
  3. Step 3: Cross multiply
    56,139.50x = 84,209.64 × 38,556.02
  4. Step 4: Simplify right side
    56,139.50x = 3,246,788,564.03
  5. Step 5: Solve for x
    x = 3,246,788,564.03/56,139.50
  6. Step 6: Final answer
    x = 57,834.30

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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.