Home / 35,128.99-48,475.07-19,814.69

Finding the Fourth Proportional to 35,128.99, 48,475.07 and 19,814.69

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Solution

The fourth proportional to 35,128.99, 48,475.07 and 19,814.69 is: 27,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.99 : 48,475.07 = 19,814.69 : x
  2. Step 2: Convert to fraction form
    35,128.99/48,475.07 = 19,814.69/x
  3. Step 3: Cross multiply
    35,128.99x = 48,475.07 × 19,814.69
  4. Step 4: Simplify right side
    35,128.99x = 960,518,692.66
  5. Step 5: Solve for x
    x = 960,518,692.66/35,128.99
  6. Step 6: Final answer
    x = 27,342.62

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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.