Home / 42,798.88-64,206.36-19,426.96

Finding the Fourth Proportional to 42,798.88, 64,206.36 and 19,426.96

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Solution

The fourth proportional to 42,798.88, 64,206.36 and 19,426.96 is: 29,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,798.88 : 64,206.36 = 19,426.96 : x
  2. Step 2: Convert to fraction form
    42,798.88/64,206.36 = 19,426.96/x
  3. Step 3: Cross multiply
    42,798.88x = 64,206.36 × 19,426.96
  4. Step 4: Simplify right side
    42,798.88x = 1,247,334,387.47
  5. Step 5: Solve for x
    x = 1,247,334,387.47/42,798.88
  6. Step 6: Final answer
    x = 29,144.09

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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.