Home / 53,730.40-80,564.08-16,279.20

Finding the Fourth Proportional to 53,730.40, 80,564.08 and 16,279.20

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Solution

The fourth proportional to 53,730.40, 80,564.08 and 16,279.20 is: 24,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.40 : 80,564.08 = 16,279.20 : x
  2. Step 2: Convert to fraction form
    53,730.40/80,564.08 = 16,279.20/x
  3. Step 3: Cross multiply
    53,730.40x = 80,564.08 × 16,279.20
  4. Step 4: Simplify right side
    53,730.40x = 1,311,518,771.14
  5. Step 5: Solve for x
    x = 1,311,518,771.14/53,730.40
  6. Step 6: Final answer
    x = 24,409.25

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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.