Home / 53,305.64-79,944.52-15,855.62

Finding the Fourth Proportional to 53,305.64, 79,944.52 and 15,855.62

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Solution

The fourth proportional to 53,305.64, 79,944.52 and 15,855.62 is: 23,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.64 : 79,944.52 = 15,855.62 : x
  2. Step 2: Convert to fraction form
    53,305.64/79,944.52 = 15,855.62/x
  3. Step 3: Cross multiply
    53,305.64x = 79,944.52 × 15,855.62
  4. Step 4: Simplify right side
    53,305.64x = 1,267,569,930.20
  5. Step 5: Solve for x
    x = 1,267,569,930.20/53,305.64
  6. Step 6: Final answer
    x = 23,779.28

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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.