Home / 42,804.08-64,213.02-13,214.98

Finding the Fourth Proportional to 42,804.08, 64,213.02 and 13,214.98

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Solution

The fourth proportional to 42,804.08, 64,213.02 and 13,214.98 is: 19,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.08 : 64,213.02 = 13,214.98 : x
  2. Step 2: Convert to fraction form
    42,804.08/64,213.02 = 13,214.98/x
  3. Step 3: Cross multiply
    42,804.08x = 64,213.02 × 13,214.98
  4. Step 4: Simplify right side
    42,804.08x = 848,573,855.31
  5. Step 5: Solve for x
    x = 848,573,855.31/42,804.08
  6. Step 6: Final answer
    x = 19,824.60

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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.