Home / 56,797.37-78,376.83-31,302.32

Finding the Fourth Proportional to 56,797.37, 78,376.83 and 31,302.32

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Solution

The fourth proportional to 56,797.37, 78,376.83 and 31,302.32 is: 43,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.37 : 78,376.83 = 31,302.32 : x
  2. Step 2: Convert to fraction form
    56,797.37/78,376.83 = 31,302.32/x
  3. Step 3: Cross multiply
    56,797.37x = 78,376.83 × 31,302.32
  4. Step 4: Simplify right side
    56,797.37x = 2,453,376,280.05
  5. Step 5: Solve for x
    x = 2,453,376,280.05/56,797.37
  6. Step 6: Final answer
    x = 43,195.25

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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.