Home / 42,736.52-64,097.90-14,655.44

Finding the Fourth Proportional to 42,736.52, 64,097.90 and 14,655.44

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Solution

The fourth proportional to 42,736.52, 64,097.90 and 14,655.44 is: 21,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736.52 : 64,097.90 = 14,655.44 : x
  2. Step 2: Convert to fraction form
    42,736.52/64,097.90 = 14,655.44/x
  3. Step 3: Cross multiply
    42,736.52x = 64,097.90 × 14,655.44
  4. Step 4: Simplify right side
    42,736.52x = 939,382,927.58
  5. Step 5: Solve for x
    x = 939,382,927.58/42,736.52
  6. Step 6: Final answer
    x = 21,980.80

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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.