Home / 35,457.05-53,139.55-14,372.43

Finding the Fourth Proportional to 35,457.05, 53,139.55 and 14,372.43

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Solution

The fourth proportional to 35,457.05, 53,139.55 and 14,372.43 is: 21,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.05 : 53,139.55 = 14,372.43 : x
  2. Step 2: Convert to fraction form
    35,457.05/53,139.55 = 14,372.43/x
  3. Step 3: Cross multiply
    35,457.05x = 53,139.55 × 14,372.43
  4. Step 4: Simplify right side
    35,457.05x = 763,744,462.61
  5. Step 5: Solve for x
    x = 763,744,462.61/35,457.05
  6. Step 6: Final answer
    x = 21,539.99

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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.