Home / 42,552.87-63,836.23-12,570.15

Finding the Fourth Proportional to 42,552.87, 63,836.23 and 12,570.15

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Solution

The fourth proportional to 42,552.87, 63,836.23 and 12,570.15 is: 18,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,552.87 : 63,836.23 = 12,570.15 : x
  2. Step 2: Convert to fraction form
    42,552.87/63,836.23 = 12,570.15/x
  3. Step 3: Cross multiply
    42,552.87x = 63,836.23 × 12,570.15
  4. Step 4: Simplify right side
    42,552.87x = 802,430,986.53
  5. Step 5: Solve for x
    x = 802,430,986.53/42,552.87
  6. Step 6: Final answer
    x = 18,857.27

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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.