Home / 45,918.04-68,812.26-19,613.56

Finding the Fourth Proportional to 45,918.04, 68,812.26 and 19,613.56

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Solution

The fourth proportional to 45,918.04, 68,812.26 and 19,613.56 is: 29,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.04 : 68,812.26 = 19,613.56 : x
  2. Step 2: Convert to fraction form
    45,918.04/68,812.26 = 19,613.56/x
  3. Step 3: Cross multiply
    45,918.04x = 68,812.26 × 19,613.56
  4. Step 4: Simplify right side
    45,918.04x = 1,349,653,390.25
  5. Step 5: Solve for x
    x = 1,349,653,390.25/45,918.04
  6. Step 6: Final answer
    x = 29,392.66

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1.5x scale

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.