Home / 35,575.47-53,390.73-13,409.01

Finding the Fourth Proportional to 35,575.47, 53,390.73 and 13,409.01

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Solution

The fourth proportional to 35,575.47, 53,390.73 and 13,409.01 is: 20,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,575.47 : 53,390.73 = 13,409.01 : x
  2. Step 2: Convert to fraction form
    35,575.47/53,390.73 = 13,409.01/x
  3. Step 3: Cross multiply
    35,575.47x = 53,390.73 × 13,409.01
  4. Step 4: Simplify right side
    35,575.47x = 715,916,832.48
  5. Step 5: Solve for x
    x = 715,916,832.48/35,575.47
  6. Step 6: Final answer
    x = 20,123.89

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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.