Home / 35,607.76-53,376.68-19,820.34

Finding the Fourth Proportional to 35,607.76, 53,376.68 and 19,820.34

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Solution

The fourth proportional to 35,607.76, 53,376.68 and 19,820.34 is: 29,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.76 : 53,376.68 = 19,820.34 : x
  2. Step 2: Convert to fraction form
    35,607.76/53,376.68 = 19,820.34/x
  3. Step 3: Cross multiply
    35,607.76x = 53,376.68 × 19,820.34
  4. Step 4: Simplify right side
    35,607.76x = 1,057,943,945.67
  5. Step 5: Solve for x
    x = 1,057,943,945.67/35,607.76
  6. Step 6: Final answer
    x = 29,711.05

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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.