Home / 42,546.80-63,820.20-14,838.32

Finding the Fourth Proportional to 42,546.80, 63,820.20 and 14,838.32

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Solution

The fourth proportional to 42,546.80, 63,820.20 and 14,838.32 is: 22,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,546.80 : 63,820.20 = 14,838.32 : x
  2. Step 2: Convert to fraction form
    42,546.80/63,820.20 = 14,838.32/x
  3. Step 3: Cross multiply
    42,546.80x = 63,820.20 × 14,838.32
  4. Step 4: Simplify right side
    42,546.80x = 946,984,550.06
  5. Step 5: Solve for x
    x = 946,984,550.06/42,546.80
  6. Step 6: Final answer
    x = 22,257.48

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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.