Home / 52,581.48-72,564.12-28,709.40

Finding the Fourth Proportional to 52,581.48, 72,564.12 and 28,709.40

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Solution

The fourth proportional to 52,581.48, 72,564.12 and 28,709.40 is: 39,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.48 : 72,564.12 = 28,709.40 : x
  2. Step 2: Convert to fraction form
    52,581.48/72,564.12 = 28,709.40/x
  3. Step 3: Cross multiply
    52,581.48x = 72,564.12 × 28,709.40
  4. Step 4: Simplify right side
    52,581.48x = 2,083,272,346.73
  5. Step 5: Solve for x
    x = 2,083,272,346.73/52,581.48
  6. Step 6: Final answer
    x = 39,619.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.