Home / 42,222.08-63,354.99-30,630.98

Finding the Fourth Proportional to 42,222.08, 63,354.99 and 30,630.98

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Solution

The fourth proportional to 42,222.08, 63,354.99 and 30,630.98 is: 45,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.08 : 63,354.99 = 30,630.98 : x
  2. Step 2: Convert to fraction form
    42,222.08/63,354.99 = 30,630.98/x
  3. Step 3: Cross multiply
    42,222.08x = 63,354.99 × 30,630.98
  4. Step 4: Simplify right side
    42,222.08x = 1,940,625,431.59
  5. Step 5: Solve for x
    x = 1,940,625,431.59/42,222.08
  6. Step 6: Final answer
    x = 45,962.34

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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.