Home / 48,384.18-72,574.38-13,322.88

Finding the Fourth Proportional to 48,384.18, 72,574.38 and 13,322.88

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Solution

The fourth proportional to 48,384.18, 72,574.38 and 13,322.88 is: 19,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,384.18 : 72,574.38 = 13,322.88 : x
  2. Step 2: Convert to fraction form
    48,384.18/72,574.38 = 13,322.88/x
  3. Step 3: Cross multiply
    48,384.18x = 72,574.38 × 13,322.88
  4. Step 4: Simplify right side
    48,384.18x = 966,899,755.81
  5. Step 5: Solve for x
    x = 966,899,755.81/48,384.18
  6. Step 6: Final answer
    x = 19,983.80

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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.