Home / 45,967.99-68,979.53-19,672.76

Finding the Fourth Proportional to 45,967.99, 68,979.53 and 19,672.76

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Solution

The fourth proportional to 45,967.99, 68,979.53 and 19,672.76 is: 29,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.99 : 68,979.53 = 19,672.76 : x
  2. Step 2: Convert to fraction form
    45,967.99/68,979.53 = 19,672.76/x
  3. Step 3: Cross multiply
    45,967.99x = 68,979.53 × 19,672.76
  4. Step 4: Simplify right side
    45,967.99x = 1,357,017,738.60
  5. Step 5: Solve for x
    x = 1,357,017,738.60/45,967.99
  6. Step 6: Final answer
    x = 29,520.93

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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.