Home / 56,358.64-84,551.30-18,407.72

Finding the Fourth Proportional to 56,358.64, 84,551.30 and 18,407.72

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Solution

The fourth proportional to 56,358.64, 84,551.30 and 18,407.72 is: 27,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.64 : 84,551.30 = 18,407.72 : x
  2. Step 2: Convert to fraction form
    56,358.64/84,551.30 = 18,407.72/x
  3. Step 3: Cross multiply
    56,358.64x = 84,551.30 × 18,407.72
  4. Step 4: Simplify right side
    56,358.64x = 1,556,396,656.04
  5. Step 5: Solve for x
    x = 1,556,396,656.04/56,358.64
  6. Step 6: Final answer
    x = 27,615.94

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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.