Home / 52,518.24-78,777.60-17,455.20

Finding the Fourth Proportional to 52,518.24, 78,777.60 and 17,455.20

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Solution

The fourth proportional to 52,518.24, 78,777.60 and 17,455.20 is: 26,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,518.24 : 78,777.60 = 17,455.20 : x
  2. Step 2: Convert to fraction form
    52,518.24/78,777.60 = 17,455.20/x
  3. Step 3: Cross multiply
    52,518.24x = 78,777.60 × 17,455.20
  4. Step 4: Simplify right side
    52,518.24x = 1,375,078,763.52
  5. Step 5: Solve for x
    x = 1,375,078,763.52/52,518.24
  6. Step 6: Final answer
    x = 26,182.88

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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.