Home / 42,300.75-63,448.78-14,217.90

Finding the Fourth Proportional to 42,300.75, 63,448.78 and 14,217.90

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Solution

The fourth proportional to 42,300.75, 63,448.78 and 14,217.90 is: 21,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,300.75 : 63,448.78 = 14,217.90 : x
  2. Step 2: Convert to fraction form
    42,300.75/63,448.78 = 14,217.90/x
  3. Step 3: Cross multiply
    42,300.75x = 63,448.78 × 14,217.90
  4. Step 4: Simplify right side
    42,300.75x = 902,108,091.92
  5. Step 5: Solve for x
    x = 902,108,091.92/42,300.75
  6. Step 6: Final answer
    x = 21,326.05

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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.