Home / 43,220.52-64,830.12-26,358.48

Finding the Fourth Proportional to 43,220.52, 64,830.12 and 26,358.48

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Solution

The fourth proportional to 43,220.52, 64,830.12 and 26,358.48 is: 39,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.52 : 64,830.12 = 26,358.48 : x
  2. Step 2: Convert to fraction form
    43,220.52/64,830.12 = 26,358.48/x
  3. Step 3: Cross multiply
    43,220.52x = 64,830.12 × 26,358.48
  4. Step 4: Simplify right side
    43,220.52x = 1,708,823,421.42
  5. Step 5: Solve for x
    x = 1,708,823,421.42/43,220.52
  6. Step 6: Final answer
    x = 39,537.32

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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.