Home / 40,458.96-55,706.32-34,397.28

Finding the Fourth Proportional to 40,458.96, 55,706.32 and 34,397.28

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Solution

The fourth proportional to 40,458.96, 55,706.32 and 34,397.28 is: 47,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.96 : 55,706.32 = 34,397.28 : x
  2. Step 2: Convert to fraction form
    40,458.96/55,706.32 = 34,397.28/x
  3. Step 3: Cross multiply
    40,458.96x = 55,706.32 × 34,397.28
  4. Step 4: Simplify right side
    40,458.96x = 1,916,145,886.81
  5. Step 5: Solve for x
    x = 1,916,145,886.81/40,458.96
  6. Step 6: Final answer
    x = 47,360.24

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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.