Home / 42,926.85-64,374.08-17,968.64

Finding the Fourth Proportional to 42,926.85, 64,374.08 and 17,968.64

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Solution

The fourth proportional to 42,926.85, 64,374.08 and 17,968.64 is: 26,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.85 : 64,374.08 = 17,968.64 : x
  2. Step 2: Convert to fraction form
    42,926.85/64,374.08 = 17,968.64/x
  3. Step 3: Cross multiply
    42,926.85x = 64,374.08 × 17,968.64
  4. Step 4: Simplify right side
    42,926.85x = 1,156,714,257.14
  5. Step 5: Solve for x
    x = 1,156,714,257.14/42,926.85
  6. Step 6: Final answer
    x = 26,946.17

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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.