Home / 48,434.94-72,622.70-18,818.21

Finding the Fourth Proportional to 48,434.94, 72,622.70 and 18,818.21

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Solution

The fourth proportional to 48,434.94, 72,622.70 and 18,818.21 is: 28,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.94 : 72,622.70 = 18,818.21 : x
  2. Step 2: Convert to fraction form
    48,434.94/72,622.70 = 18,818.21/x
  3. Step 3: Cross multiply
    48,434.94x = 72,622.70 × 18,818.21
  4. Step 4: Simplify right side
    48,434.94x = 1,366,628,762.16
  5. Step 5: Solve for x
    x = 1,366,628,762.16/48,434.94
  6. Step 6: Final answer
    x = 28,215.76

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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.