Home / 55,718.52-76,889.64-31,847.40

Finding the Fourth Proportional to 55,718.52, 76,889.64 and 31,847.40

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Solution

The fourth proportional to 55,718.52, 76,889.64 and 31,847.40 is: 43,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.52 : 76,889.64 = 31,847.40 : x
  2. Step 2: Convert to fraction form
    55,718.52/76,889.64 = 31,847.40/x
  3. Step 3: Cross multiply
    55,718.52x = 76,889.64 × 31,847.40
  4. Step 4: Simplify right side
    55,718.52x = 2,448,735,120.94
  5. Step 5: Solve for x
    x = 2,448,735,120.94/55,718.52
  6. Step 6: Final answer
    x = 43,948.32

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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.