Home / 31,018.59-42,765.71-22,533.03

Finding the Fourth Proportional to 31,018.59, 42,765.71 and 22,533.03

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Solution

The fourth proportional to 31,018.59, 42,765.71 and 22,533.03 is: 31,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.59 : 42,765.71 = 22,533.03 : x
  2. Step 2: Convert to fraction form
    31,018.59/42,765.71 = 22,533.03/x
  3. Step 3: Cross multiply
    31,018.59x = 42,765.71 × 22,533.03
  4. Step 4: Simplify right side
    31,018.59x = 963,640,913.74
  5. Step 5: Solve for x
    x = 963,640,913.74/31,018.59
  6. Step 6: Final answer
    x = 31,066.56

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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.