Home / 31,473.02-43,431.47-18,034.92

Finding the Fourth Proportional to 31,473.02, 43,431.47 and 18,034.92

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Solution

The fourth proportional to 31,473.02, 43,431.47 and 18,034.92 is: 24,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.02 : 43,431.47 = 18,034.92 : x
  2. Step 2: Convert to fraction form
    31,473.02/43,431.47 = 18,034.92/x
  3. Step 3: Cross multiply
    31,473.02x = 43,431.47 × 18,034.92
  4. Step 4: Simplify right side
    31,473.02x = 783,283,086.93
  5. Step 5: Solve for x
    x = 783,283,086.93/31,473.02
  6. Step 6: Final answer
    x = 24,887.45

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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.