Home / 58,120.24-87,150.08-20,674.88

Finding the Fourth Proportional to 58,120.24, 87,150.08 and 20,674.88

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Solution

The fourth proportional to 58,120.24, 87,150.08 and 20,674.88 is: 31,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,120.24 : 87,150.08 = 20,674.88 : x
  2. Step 2: Convert to fraction form
    58,120.24/87,150.08 = 20,674.88/x
  3. Step 3: Cross multiply
    58,120.24x = 87,150.08 × 20,674.88
  4. Step 4: Simplify right side
    58,120.24x = 1,801,817,445.99
  5. Step 5: Solve for x
    x = 1,801,817,445.99/58,120.24
  6. Step 6: Final answer
    x = 31,001.55

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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.