Home / 51,063.24-70,473.80-30,920.16

Finding the Fourth Proportional to 51,063.24, 70,473.80 and 30,920.16

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Solution

The fourth proportional to 51,063.24, 70,473.80 and 30,920.16 is: 42,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,063.24 : 70,473.80 = 30,920.16 : x
  2. Step 2: Convert to fraction form
    51,063.24/70,473.80 = 30,920.16/x
  3. Step 3: Cross multiply
    51,063.24x = 70,473.80 × 30,920.16
  4. Step 4: Simplify right side
    51,063.24x = 2,179,061,171.81
  5. Step 5: Solve for x
    x = 2,179,061,171.81/51,063.24
  6. Step 6: Final answer
    x = 42,673.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.