Home / 56,976.06-78,621.66-33,102.39

Finding the Fourth Proportional to 56,976.06, 78,621.66 and 33,102.39

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Solution

The fourth proportional to 56,976.06, 78,621.66 and 33,102.39 is: 45,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976.06 : 78,621.66 = 33,102.39 : x
  2. Step 2: Convert to fraction form
    56,976.06/78,621.66 = 33,102.39/x
  3. Step 3: Cross multiply
    56,976.06x = 78,621.66 × 33,102.39
  4. Step 4: Simplify right side
    56,976.06x = 2,602,564,851.77
  5. Step 5: Solve for x
    x = 2,602,564,851.77/56,976.06
  6. Step 6: Final answer
    x = 45,678.22

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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.