Home / 31,484.77-43,448.43-18,055.24

Finding the Fourth Proportional to 31,484.77, 43,448.43 and 18,055.24

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Solution

The fourth proportional to 31,484.77, 43,448.43 and 18,055.24 is: 24,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.77 : 43,448.43 = 18,055.24 : x
  2. Step 2: Convert to fraction form
    31,484.77/43,448.43 = 18,055.24/x
  3. Step 3: Cross multiply
    31,484.77x = 43,448.43 × 18,055.24
  4. Step 4: Simplify right side
    31,484.77x = 784,471,831.27
  5. Step 5: Solve for x
    x = 784,471,831.27/31,484.77
  6. Step 6: Final answer
    x = 24,915.91

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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.