Home / 45,708.20-68,562.30-40,005.80

Finding the Fourth Proportional to 45,708.20, 68,562.30 and 40,005.80

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Solution

The fourth proportional to 45,708.20, 68,562.30 and 40,005.80 is: 60,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,708.20 : 68,562.30 = 40,005.80 : x
  2. Step 2: Convert to fraction form
    45,708.20/68,562.30 = 40,005.80/x
  3. Step 3: Cross multiply
    45,708.20x = 68,562.30 × 40,005.80
  4. Step 4: Simplify right side
    45,708.20x = 2,742,889,661.34
  5. Step 5: Solve for x
    x = 2,742,889,661.34/45,708.20
  6. Step 6: Final answer
    x = 60,008.70

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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.