Home / 42,828.17-64,249.10-14,741.31

Finding the Fourth Proportional to 42,828.17, 64,249.10 and 14,741.31

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Solution

The fourth proportional to 42,828.17, 64,249.10 and 14,741.31 is: 22,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828.17 : 64,249.10 = 14,741.31 : x
  2. Step 2: Convert to fraction form
    42,828.17/64,249.10 = 14,741.31/x
  3. Step 3: Cross multiply
    42,828.17x = 64,249.10 × 14,741.31
  4. Step 4: Simplify right side
    42,828.17x = 947,115,826.61
  5. Step 5: Solve for x
    x = 947,115,826.61/42,828.17
  6. Step 6: Final answer
    x = 22,114.32

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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.