Home / 56,947.84-78,588.39-31,453.50

Finding the Fourth Proportional to 56,947.84, 78,588.39 and 31,453.50

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Solution

The fourth proportional to 56,947.84, 78,588.39 and 31,453.50 is: 43,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,947.84 : 78,588.39 = 31,453.50 : x
  2. Step 2: Convert to fraction form
    56,947.84/78,588.39 = 31,453.50/x
  3. Step 3: Cross multiply
    56,947.84x = 78,588.39 × 31,453.50
  4. Step 4: Simplify right side
    56,947.84x = 2,471,879,924.87
  5. Step 5: Solve for x
    x = 2,471,879,924.87/56,947.84
  6. Step 6: Final answer
    x = 43,406.03

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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.