Home / 42,234.90-63,365.04-12,653.70

Finding the Fourth Proportional to 42,234.90, 63,365.04 and 12,653.70

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Solution

The fourth proportional to 42,234.90, 63,365.04 and 12,653.70 is: 18,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.90 : 63,365.04 = 12,653.70 : x
  2. Step 2: Convert to fraction form
    42,234.90/63,365.04 = 12,653.70/x
  3. Step 3: Cross multiply
    42,234.90x = 63,365.04 × 12,653.70
  4. Step 4: Simplify right side
    42,234.90x = 801,802,206.65
  5. Step 5: Solve for x
    x = 801,802,206.65/42,234.90
  6. Step 6: Final answer
    x = 18,984.35

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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.