Home / 45,417.41-68,020.46-43,840.64

Finding the Fourth Proportional to 45,417.41, 68,020.46 and 43,840.64

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Solution

The fourth proportional to 45,417.41, 68,020.46 and 43,840.64 is: 65,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.41 : 68,020.46 = 43,840.64 : x
  2. Step 2: Convert to fraction form
    45,417.41/68,020.46 = 43,840.64/x
  3. Step 3: Cross multiply
    45,417.41x = 68,020.46 × 43,840.64
  4. Step 4: Simplify right side
    45,417.41x = 2,982,060,614.74
  5. Step 5: Solve for x
    x = 2,982,060,614.74/45,417.41
  6. Step 6: Final answer
    x = 65,658.98

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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.