Home / 51,267.76-70,730.57-30,039.28

Finding the Fourth Proportional to 51,267.76, 70,730.57 and 30,039.28

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Solution

The fourth proportional to 51,267.76, 70,730.57 and 30,039.28 is: 41,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.76 : 70,730.57 = 30,039.28 : x
  2. Step 2: Convert to fraction form
    51,267.76/70,730.57 = 30,039.28/x
  3. Step 3: Cross multiply
    51,267.76x = 70,730.57 × 30,039.28
  4. Step 4: Simplify right side
    51,267.76x = 2,124,695,295.06
  5. Step 5: Solve for x
    x = 2,124,695,295.06/51,267.76
  6. Step 6: Final answer
    x = 41,443.11

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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.