Home / 29,238.99-40,349.84-15,810.24

Finding the Fourth Proportional to 29,238.99, 40,349.84 and 15,810.24

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Solution

The fourth proportional to 29,238.99, 40,349.84 and 15,810.24 is: 21,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.99 : 40,349.84 = 15,810.24 : x
  2. Step 2: Convert to fraction form
    29,238.99/40,349.84 = 15,810.24/x
  3. Step 3: Cross multiply
    29,238.99x = 40,349.84 × 15,810.24
  4. Step 4: Simplify right side
    29,238.99x = 637,940,575.31
  5. Step 5: Solve for x
    x = 637,940,575.31/29,238.99
  6. Step 6: Final answer
    x = 21,818.15

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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.