Home / 42,624.10-63,975.54-21,578.92

Finding the Fourth Proportional to 42,624.10, 63,975.54 and 21,578.92

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Solution

The fourth proportional to 42,624.10, 63,975.54 and 21,578.92 is: 32,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624.10 : 63,975.54 = 21,578.92 : x
  2. Step 2: Convert to fraction form
    42,624.10/63,975.54 = 21,578.92/x
  3. Step 3: Cross multiply
    42,624.10x = 63,975.54 × 21,578.92
  4. Step 4: Simplify right side
    42,624.10x = 1,380,523,059.62
  5. Step 5: Solve for x
    x = 1,380,523,059.62/42,624.10
  6. Step 6: Final answer
    x = 32,388.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.