Home / 56,991.06-78,642.36-33,117.39

Finding the Fourth Proportional to 56,991.06, 78,642.36 and 33,117.39

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Solution

The fourth proportional to 56,991.06, 78,642.36 and 33,117.39 is: 45,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,991.06 : 78,642.36 = 33,117.39 : x
  2. Step 2: Convert to fraction form
    56,991.06/78,642.36 = 33,117.39/x
  3. Step 3: Cross multiply
    56,991.06x = 78,642.36 × 33,117.39
  4. Step 4: Simplify right side
    56,991.06x = 2,604,429,706.64
  5. Step 5: Solve for x
    x = 2,604,429,706.64/56,991.06
  6. Step 6: Final answer
    x = 45,698.92

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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.