Home / 45,788.04-68,659.47-19,126.08

Finding the Fourth Proportional to 45,788.04, 68,659.47 and 19,126.08

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Solution

The fourth proportional to 45,788.04, 68,659.47 and 19,126.08 is: 28,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,788.04 : 68,659.47 = 19,126.08 : x
  2. Step 2: Convert to fraction form
    45,788.04/68,659.47 = 19,126.08/x
  3. Step 3: Cross multiply
    45,788.04x = 68,659.47 × 19,126.08
  4. Step 4: Simplify right side
    45,788.04x = 1,313,186,515.98
  5. Step 5: Solve for x
    x = 1,313,186,515.98/45,788.04
  6. Step 6: Final answer
    x = 28,679.68

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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.