Home / 32,130.64-44,341.98-20,189.56

Finding the Fourth Proportional to 32,130.64, 44,341.98 and 20,189.56

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Solution

The fourth proportional to 32,130.64, 44,341.98 and 20,189.56 is: 27,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.64 : 44,341.98 = 20,189.56 : x
  2. Step 2: Convert to fraction form
    32,130.64/44,341.98 = 20,189.56/x
  3. Step 3: Cross multiply
    32,130.64x = 44,341.98 × 20,189.56
  4. Step 4: Simplify right side
    32,130.64x = 895,245,065.73
  5. Step 5: Solve for x
    x = 895,245,065.73/32,130.64
  6. Step 6: Final answer
    x = 27,862.66

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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.