Home / 40,147.47-55,411.26-23,162.69

Finding the Fourth Proportional to 40,147.47, 55,411.26 and 23,162.69

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Solution

The fourth proportional to 40,147.47, 55,411.26 and 23,162.69 is: 31,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.47 : 55,411.26 = 23,162.69 : x
  2. Step 2: Convert to fraction form
    40,147.47/55,411.26 = 23,162.69/x
  3. Step 3: Cross multiply
    40,147.47x = 55,411.26 × 23,162.69
  4. Step 4: Simplify right side
    40,147.47x = 1,283,473,837.89
  5. Step 5: Solve for x
    x = 1,283,473,837.89/40,147.47
  6. Step 6: Final answer
    x = 31,968.98

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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.