Home / 35,651.55-53,529.90-19,887.38

Finding the Fourth Proportional to 35,651.55, 53,529.90 and 19,887.38

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Solution

The fourth proportional to 35,651.55, 53,529.90 and 19,887.38 is: 29,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.55 : 53,529.90 = 19,887.38 : x
  2. Step 2: Convert to fraction form
    35,651.55/53,529.90 = 19,887.38/x
  3. Step 3: Cross multiply
    35,651.55x = 53,529.90 × 19,887.38
  4. Step 4: Simplify right side
    35,651.55x = 1,064,569,462.66
  5. Step 5: Solve for x
    x = 1,064,569,462.66/35,651.55
  6. Step 6: Final answer
    x = 29,860.40

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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.