Home / 42,115.22-63,172.90-10,950.50

Finding the Fourth Proportional to 42,115.22, 63,172.90 and 10,950.50

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Solution

The fourth proportional to 42,115.22, 63,172.90 and 10,950.50 is: 16,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.22 : 63,172.90 = 10,950.50 : x
  2. Step 2: Convert to fraction form
    42,115.22/63,172.90 = 10,950.50/x
  3. Step 3: Cross multiply
    42,115.22x = 63,172.90 × 10,950.50
  4. Step 4: Simplify right side
    42,115.22x = 691,774,841.45
  5. Step 5: Solve for x
    x = 691,774,841.45/42,115.22
  6. Step 6: Final answer
    x = 16,425.77

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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.