Home / 31,256.19-43,088.58-22,288.05

Finding the Fourth Proportional to 31,256.19, 43,088.58 and 22,288.05

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Solution

The fourth proportional to 31,256.19, 43,088.58 and 22,288.05 is: 30,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.19 : 43,088.58 = 22,288.05 : x
  2. Step 2: Convert to fraction form
    31,256.19/43,088.58 = 22,288.05/x
  3. Step 3: Cross multiply
    31,256.19x = 43,088.58 × 22,288.05
  4. Step 4: Simplify right side
    31,256.19x = 960,360,425.47
  5. Step 5: Solve for x
    x = 960,360,425.47/31,256.19
  6. Step 6: Final answer
    x = 30,725.45

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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.