Home / 43,065.39-59,448.47-40,375.11

Finding the Fourth Proportional to 43,065.39, 59,448.47 and 40,375.11

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Solution

The fourth proportional to 43,065.39, 59,448.47 and 40,375.11 is: 55,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.39 : 59,448.47 = 40,375.11 : x
  2. Step 2: Convert to fraction form
    43,065.39/59,448.47 = 40,375.11/x
  3. Step 3: Cross multiply
    43,065.39x = 59,448.47 × 40,375.11
  4. Step 4: Simplify right side
    43,065.39x = 2,400,238,313.71
  5. Step 5: Solve for x
    x = 2,400,238,313.71/43,065.39
  6. Step 6: Final answer
    x = 55,734.74

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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.