Home / 38,225.99-52,753.21-21,230.51

Finding the Fourth Proportional to 38,225.99, 52,753.21 and 21,230.51

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Solution

The fourth proportional to 38,225.99, 52,753.21 and 21,230.51 is: 29,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.99 : 52,753.21 = 21,230.51 : x
  2. Step 2: Convert to fraction form
    38,225.99/52,753.21 = 21,230.51/x
  3. Step 3: Cross multiply
    38,225.99x = 52,753.21 × 21,230.51
  4. Step 4: Simplify right side
    38,225.99x = 1,119,977,235.59
  5. Step 5: Solve for x
    x = 1,119,977,235.59/38,225.99
  6. Step 6: Final answer
    x = 29,298.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.