Home / 42,249.68-63,378.36-12,666.32

Finding the Fourth Proportional to 42,249.68, 63,378.36 and 12,666.32

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Solution

The fourth proportional to 42,249.68, 63,378.36 and 12,666.32 is: 19,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249.68 : 63,378.36 = 12,666.32 : x
  2. Step 2: Convert to fraction form
    42,249.68/63,378.36 = 12,666.32/x
  3. Step 3: Cross multiply
    42,249.68x = 63,378.36 × 12,666.32
  4. Step 4: Simplify right side
    42,249.68x = 802,770,588.84
  5. Step 5: Solve for x
    x = 802,770,588.84/42,249.68
  6. Step 6: Final answer
    x = 19,000.63

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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.