Home / 42,444.27-63,664.58-12,860.84

Finding the Fourth Proportional to 42,444.27, 63,664.58 and 12,860.84

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Solution

The fourth proportional to 42,444.27, 63,664.58 and 12,860.84 is: 19,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444.27 : 63,664.58 = 12,860.84 : x
  2. Step 2: Convert to fraction form
    42,444.27/63,664.58 = 12,860.84/x
  3. Step 3: Cross multiply
    42,444.27x = 63,664.58 × 12,860.84
  4. Step 4: Simplify right side
    42,444.27x = 818,780,168.36
  5. Step 5: Solve for x
    x = 818,780,168.36/42,444.27
  6. Step 6: Final answer
    x = 19,290.71

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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.