Home / 32,515.18-44,864.84-20,570.11

Finding the Fourth Proportional to 32,515.18, 44,864.84 and 20,570.11

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Solution

The fourth proportional to 32,515.18, 44,864.84 and 20,570.11 is: 28,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.18 : 44,864.84 = 20,570.11 : x
  2. Step 2: Convert to fraction form
    32,515.18/44,864.84 = 20,570.11/x
  3. Step 3: Cross multiply
    32,515.18x = 44,864.84 × 20,570.11
  4. Step 4: Simplify right side
    32,515.18x = 922,874,633.20
  5. Step 5: Solve for x
    x = 922,874,633.20/32,515.18
  6. Step 6: Final answer
    x = 28,382.89

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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.