Home / 42,104.58-63,156.87-12,522.66

Finding the Fourth Proportional to 42,104.58, 63,156.87 and 12,522.66

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Solution

The fourth proportional to 42,104.58, 63,156.87 and 12,522.66 is: 18,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,104.58 : 63,156.87 = 12,522.66 : x
  2. Step 2: Convert to fraction form
    42,104.58/63,156.87 = 12,522.66/x
  3. Step 3: Cross multiply
    42,104.58x = 63,156.87 × 12,522.66
  4. Step 4: Simplify right side
    42,104.58x = 790,892,009.67
  5. Step 5: Solve for x
    x = 790,892,009.67/42,104.58
  6. Step 6: Final answer
    x = 18,783.99

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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.