Home / 56,739.44-78,300.72-31,588.92

Finding the Fourth Proportional to 56,739.44, 78,300.72 and 31,588.92

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Solution

The fourth proportional to 56,739.44, 78,300.72 and 31,588.92 is: 43,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.44 : 78,300.72 = 31,588.92 : x
  2. Step 2: Convert to fraction form
    56,739.44/78,300.72 = 31,588.92/x
  3. Step 3: Cross multiply
    56,739.44x = 78,300.72 × 31,588.92
  4. Step 4: Simplify right side
    56,739.44x = 2,473,435,180.02
  5. Step 5: Solve for x
    x = 2,473,435,180.02/56,739.44
  6. Step 6: Final answer
    x = 43,592.87

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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.