Home / 42,505.84-63,766.04-12,926.66

Finding the Fourth Proportional to 42,505.84, 63,766.04 and 12,926.66

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Solution

The fourth proportional to 42,505.84, 63,766.04 and 12,926.66 is: 19,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.84 : 63,766.04 = 12,926.66 : x
  2. Step 2: Convert to fraction form
    42,505.84/63,766.04 = 12,926.66/x
  3. Step 3: Cross multiply
    42,505.84x = 63,766.04 × 12,926.66
  4. Step 4: Simplify right side
    42,505.84x = 824,281,918.63
  5. Step 5: Solve for x
    x = 824,281,918.63/42,505.84
  6. Step 6: Final answer
    x = 19,392.20

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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.