Home / 43,324.03-64,985.52-13,742.12

Finding the Fourth Proportional to 43,324.03, 64,985.52 and 13,742.12

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Solution

The fourth proportional to 43,324.03, 64,985.52 and 13,742.12 is: 20,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.03 : 64,985.52 = 13,742.12 : x
  2. Step 2: Convert to fraction form
    43,324.03/64,985.52 = 13,742.12/x
  3. Step 3: Cross multiply
    43,324.03x = 64,985.52 × 13,742.12
  4. Step 4: Simplify right side
    43,324.03x = 893,038,587.58
  5. Step 5: Solve for x
    x = 893,038,587.58/43,324.03
  6. Step 6: Final answer
    x = 20,613.01

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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.