Home / 53,167.20-79,731.60-26,863.20

Finding the Fourth Proportional to 53,167.20, 79,731.60 and 26,863.20

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Solution

The fourth proportional to 53,167.20, 79,731.60 and 26,863.20 is: 40,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167.20 : 79,731.60 = 26,863.20 : x
  2. Step 2: Convert to fraction form
    53,167.20/79,731.60 = 26,863.20/x
  3. Step 3: Cross multiply
    53,167.20x = 79,731.60 × 26,863.20
  4. Step 4: Simplify right side
    53,167.20x = 2,141,845,917.12
  5. Step 5: Solve for x
    x = 2,141,845,917.12/53,167.20
  6. Step 6: Final answer
    x = 40,285.10

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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.