Home / 45,530.28-68,279.02-19,237.07

Finding the Fourth Proportional to 45,530.28, 68,279.02 and 19,237.07

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Solution

The fourth proportional to 45,530.28, 68,279.02 and 19,237.07 is: 28,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,530.28 : 68,279.02 = 19,237.07 : x
  2. Step 2: Convert to fraction form
    45,530.28/68,279.02 = 19,237.07/x
  3. Step 3: Cross multiply
    45,530.28x = 68,279.02 × 19,237.07
  4. Step 4: Simplify right side
    45,530.28x = 1,313,488,409.88
  5. Step 5: Solve for x
    x = 1,313,488,409.88/45,530.28
  6. Step 6: Final answer
    x = 28,848.68

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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.