Home / 42,737.29-64,112.11-14,664.44

Finding the Fourth Proportional to 42,737.29, 64,112.11 and 14,664.44

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Solution

The fourth proportional to 42,737.29, 64,112.11 and 14,664.44 is: 21,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,737.29 : 64,112.11 = 14,664.44 : x
  2. Step 2: Convert to fraction form
    42,737.29/64,112.11 = 14,664.44/x
  3. Step 3: Cross multiply
    42,737.29x = 64,112.11 × 14,664.44
  4. Step 4: Simplify right side
    42,737.29x = 940,168,313.99
  5. Step 5: Solve for x
    x = 940,168,313.99/42,737.29
  6. Step 6: Final answer
    x = 21,998.78

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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.