Home / 53,064.20-79,579.40-17,518.90

Finding the Fourth Proportional to 53,064.20, 79,579.40 and 17,518.90

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Solution

The fourth proportional to 53,064.20, 79,579.40 and 17,518.90 is: 26,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,064.20 : 79,579.40 = 17,518.90 : x
  2. Step 2: Convert to fraction form
    53,064.20/79,579.40 = 17,518.90/x
  3. Step 3: Cross multiply
    53,064.20x = 79,579.40 × 17,518.90
  4. Step 4: Simplify right side
    53,064.20x = 1,394,143,151.51
  5. Step 5: Solve for x
    x = 1,394,143,151.51/53,064.20
  6. Step 6: Final answer
    x = 26,272.76

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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.