Home / 42,208.56-63,294.84-12,625.92

Finding the Fourth Proportional to 42,208.56, 63,294.84 and 12,625.92

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Solution

The fourth proportional to 42,208.56, 63,294.84 and 12,625.92 is: 18,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,208.56 : 63,294.84 = 12,625.92 : x
  2. Step 2: Convert to fraction form
    42,208.56/63,294.84 = 12,625.92/x
  3. Step 3: Cross multiply
    42,208.56x = 63,294.84 × 12,625.92
  4. Step 4: Simplify right side
    42,208.56x = 799,155,586.25
  5. Step 5: Solve for x
    x = 799,155,586.25/42,208.56
  6. Step 6: Final answer
    x = 18,933.50

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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.