Home / 42,216.66-63,306.27-12,628.80

Finding the Fourth Proportional to 42,216.66, 63,306.27 and 12,628.80

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Solution

The fourth proportional to 42,216.66, 63,306.27 and 12,628.80 is: 18,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,216.66 : 63,306.27 = 12,628.80 : x
  2. Step 2: Convert to fraction form
    42,216.66/63,306.27 = 12,628.80/x
  3. Step 3: Cross multiply
    42,216.66x = 63,306.27 × 12,628.80
  4. Step 4: Simplify right side
    42,216.66x = 799,482,222.58
  5. Step 5: Solve for x
    x = 799,482,222.58/42,216.66
  6. Step 6: Final answer
    x = 18,937.60

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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.