Home / 52,682.57-72,728.39-40,718.87

Finding the Fourth Proportional to 52,682.57, 72,728.39 and 40,718.87

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Solution

The fourth proportional to 52,682.57, 72,728.39 and 40,718.87 is: 56,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,682.57 : 72,728.39 = 40,718.87 : x
  2. Step 2: Convert to fraction form
    52,682.57/72,728.39 = 40,718.87/x
  3. Step 3: Cross multiply
    52,682.57x = 72,728.39 × 40,718.87
  4. Step 4: Simplify right side
    52,682.57x = 2,961,417,654.12
  5. Step 5: Solve for x
    x = 2,961,417,654.12/52,682.57
  6. Step 6: Final answer
    x = 56,212.48

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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.