Home / 56,711.44-78,260.52-31,563.28

Finding the Fourth Proportional to 56,711.44, 78,260.52 and 31,563.28

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Solution

The fourth proportional to 56,711.44, 78,260.52 and 31,563.28 is: 43,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.44 : 78,260.52 = 31,563.28 : x
  2. Step 2: Convert to fraction form
    56,711.44/78,260.52 = 31,563.28/x
  3. Step 3: Cross multiply
    56,711.44x = 78,260.52 × 31,563.28
  4. Step 4: Simplify right side
    56,711.44x = 2,470,158,705.71
  5. Step 5: Solve for x
    x = 2,470,158,705.71/56,711.44
  6. Step 6: Final answer
    x = 43,556.62

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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.