Home / 56,373.12-77,785.47-33,721.38

Finding the Fourth Proportional to 56,373.12, 77,785.47 and 33,721.38

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Solution

The fourth proportional to 56,373.12, 77,785.47 and 33,721.38 is: 46,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,373.12 : 77,785.47 = 33,721.38 : x
  2. Step 2: Convert to fraction form
    56,373.12/77,785.47 = 33,721.38/x
  3. Step 3: Cross multiply
    56,373.12x = 77,785.47 × 33,721.38
  4. Step 4: Simplify right side
    56,373.12x = 2,623,033,392.35
  5. Step 5: Solve for x
    x = 2,623,033,392.35/56,373.12
  6. Step 6: Final answer
    x = 46,529.86

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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.