Home / 56,180.47-77,529.45-31,029.97

Finding the Fourth Proportional to 56,180.47, 77,529.45 and 31,029.97

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Solution

The fourth proportional to 56,180.47, 77,529.45 and 31,029.97 is: 42,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.47 : 77,529.45 = 31,029.97 : x
  2. Step 2: Convert to fraction form
    56,180.47/77,529.45 = 31,029.97/x
  3. Step 3: Cross multiply
    56,180.47x = 77,529.45 × 31,029.97
  4. Step 4: Simplify right side
    56,180.47x = 2,405,736,507.62
  5. Step 5: Solve for x
    x = 2,405,736,507.62/56,180.47
  6. Step 6: Final answer
    x = 42,821.58

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1.5x scale

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.