Home / 53,346.60-80,021.52-18,285.75

Finding the Fourth Proportional to 53,346.60, 80,021.52 and 18,285.75

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Solution

The fourth proportional to 53,346.60, 80,021.52 and 18,285.75 is: 27,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.60 : 80,021.52 = 18,285.75 : x
  2. Step 2: Convert to fraction form
    53,346.60/80,021.52 = 18,285.75/x
  3. Step 3: Cross multiply
    53,346.60x = 80,021.52 × 18,285.75
  4. Step 4: Simplify right side
    53,346.60x = 1,463,253,509.34
  5. Step 5: Solve for x
    x = 1,463,253,509.34/53,346.60
  6. Step 6: Final answer
    x = 27,429.18

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1.5x scale

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.