Home / 54,439.32-81,651.54-14,990.76

Finding the Fourth Proportional to 54,439.32, 81,651.54 and 14,990.76

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Solution

The fourth proportional to 54,439.32, 81,651.54 and 14,990.76 is: 22,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,439.32 : 81,651.54 = 14,990.76 : x
  2. Step 2: Convert to fraction form
    54,439.32/81,651.54 = 14,990.76/x
  3. Step 3: Cross multiply
    54,439.32x = 81,651.54 × 14,990.76
  4. Step 4: Simplify right side
    54,439.32x = 1,224,018,639.77
  5. Step 5: Solve for x
    x = 1,224,018,639.77/54,439.32
  6. Step 6: Final answer
    x = 22,484.09

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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.