Home / 55,664.64-76,818.96-30,516.48

Finding the Fourth Proportional to 55,664.64, 76,818.96 and 30,516.48

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Solution

The fourth proportional to 55,664.64, 76,818.96 and 30,516.48 is: 42,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.64 : 76,818.96 = 30,516.48 : x
  2. Step 2: Convert to fraction form
    55,664.64/76,818.96 = 30,516.48/x
  3. Step 3: Cross multiply
    55,664.64x = 76,818.96 × 30,516.48
  4. Step 4: Simplify right side
    55,664.64x = 2,344,244,256.46
  5. Step 5: Solve for x
    x = 2,344,244,256.46/55,664.64
  6. Step 6: Final answer
    x = 42,113.71

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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.