Home / 33,130.64-45,721.24-18,023.45

Finding the Fourth Proportional to 33,130.64, 45,721.24 and 18,023.45

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Solution

The fourth proportional to 33,130.64, 45,721.24 and 18,023.45 is: 24,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.64 : 45,721.24 = 18,023.45 : x
  2. Step 2: Convert to fraction form
    33,130.64/45,721.24 = 18,023.45/x
  3. Step 3: Cross multiply
    33,130.64x = 45,721.24 × 18,023.45
  4. Step 4: Simplify right side
    33,130.64x = 824,054,209.41
  5. Step 5: Solve for x
    x = 824,054,209.41/33,130.64
  6. Step 6: Final answer
    x = 24,872.87

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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.