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Finding the Fourth Proportional to 45,463.55, 62,722.72 and 45,393.46

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Solution

The fourth proportional to 45,463.55, 62,722.72 and 45,393.46 is: 62,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,463.55 : 62,722.72 = 45,393.46 : x
  2. Step 2: Convert to fraction form
    45,463.55/62,722.72 = 45,393.46/x
  3. Step 3: Cross multiply
    45,463.55x = 62,722.72 × 45,393.46
  4. Step 4: Simplify right side
    45,463.55x = 2,847,201,281.41
  5. Step 5: Solve for x
    x = 2,847,201,281.41/45,463.55
  6. Step 6: Final answer
    x = 62,626.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.