Home / 42,846.17-64,282.39-19,173.65

Finding the Fourth Proportional to 42,846.17, 64,282.39 and 19,173.65

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Solution

The fourth proportional to 42,846.17, 64,282.39 and 19,173.65 is: 28,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.17 : 64,282.39 = 19,173.65 : x
  2. Step 2: Convert to fraction form
    42,846.17/64,282.39 = 19,173.65/x
  3. Step 3: Cross multiply
    42,846.17x = 64,282.39 × 19,173.65
  4. Step 4: Simplify right side
    42,846.17x = 1,232,528,159.80
  5. Step 5: Solve for x
    x = 1,232,528,159.80/42,846.17
  6. Step 6: Final answer
    x = 28,766.35

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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.