Home / 32,576.96-44,961-20,641.40

Finding the Fourth Proportional to 32,576.96, 44,961 and 20,641.40

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Solution

The fourth proportional to 32,576.96, 44,961 and 20,641.40 is: 28,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.96 : 44,961 = 20,641.40 : x
  2. Step 2: Convert to fraction form
    32,576.96/44,961 = 20,641.40/x
  3. Step 3: Cross multiply
    32,576.96x = 44,961 × 20,641.40
  4. Step 4: Simplify right side
    32,576.96x = 928,057,985.40
  5. Step 5: Solve for x
    x = 928,057,985.40/32,576.96
  6. Step 6: Final answer
    x = 28,488.17

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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.