Home / 40,530.42-55,904.67-35,216.10

Finding the Fourth Proportional to 40,530.42, 55,904.67 and 35,216.10

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Solution

The fourth proportional to 40,530.42, 55,904.67 and 35,216.10 is: 48,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.42 : 55,904.67 = 35,216.10 : x
  2. Step 2: Convert to fraction form
    40,530.42/55,904.67 = 35,216.10/x
  3. Step 3: Cross multiply
    40,530.42x = 55,904.67 × 35,216.10
  4. Step 4: Simplify right side
    40,530.42x = 1,968,744,449.19
  5. Step 5: Solve for x
    x = 1,968,744,449.19/40,530.42
  6. Step 6: Final answer
    x = 48,574.49

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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.