Home / 53,271.43-79,899.60-21,695.26

Finding the Fourth Proportional to 53,271.43, 79,899.60 and 21,695.26

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Solution

The fourth proportional to 53,271.43, 79,899.60 and 21,695.26 is: 32,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.43 : 79,899.60 = 21,695.26 : x
  2. Step 2: Convert to fraction form
    53,271.43/79,899.60 = 21,695.26/x
  3. Step 3: Cross multiply
    53,271.43x = 79,899.60 × 21,695.26
  4. Step 4: Simplify right side
    53,271.43x = 1,733,442,595.90
  5. Step 5: Solve for x
    x = 1,733,442,595.90/53,271.43
  6. Step 6: Final answer
    x = 32,539.82

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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.