Home / 35,553.12-53,317.37-19,782.14

Finding the Fourth Proportional to 35,553.12, 53,317.37 and 19,782.14

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Solution

The fourth proportional to 35,553.12, 53,317.37 and 19,782.14 is: 29,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.12 : 53,317.37 = 19,782.14 : x
  2. Step 2: Convert to fraction form
    35,553.12/53,317.37 = 19,782.14/x
  3. Step 3: Cross multiply
    35,553.12x = 53,317.37 × 19,782.14
  4. Step 4: Simplify right side
    35,553.12x = 1,054,731,312.27
  5. Step 5: Solve for x
    x = 1,054,731,312.27/35,553.12
  6. Step 6: Final answer
    x = 29,666.35

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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.