Home / 53,875.90-80,730.03-20,577.79

Finding the Fourth Proportional to 53,875.90, 80,730.03 and 20,577.79

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Solution

The fourth proportional to 53,875.90, 80,730.03 and 20,577.79 is: 30,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.90 : 80,730.03 = 20,577.79 : x
  2. Step 2: Convert to fraction form
    53,875.90/80,730.03 = 20,577.79/x
  3. Step 3: Cross multiply
    53,875.90x = 80,730.03 × 20,577.79
  4. Step 4: Simplify right side
    53,875.90x = 1,661,245,782.11
  5. Step 5: Solve for x
    x = 1,661,245,782.11/53,875.90
  6. Step 6: Final answer
    x = 30,834.67

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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.