Home / 43,258.32-64,842.93-31,382.51

Finding the Fourth Proportional to 43,258.32, 64,842.93 and 31,382.51

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Solution

The fourth proportional to 43,258.32, 64,842.93 and 31,382.51 is: 47,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,258.32 : 64,842.93 = 31,382.51 : x
  2. Step 2: Convert to fraction form
    43,258.32/64,842.93 = 31,382.51/x
  3. Step 3: Cross multiply
    43,258.32x = 64,842.93 × 31,382.51
  4. Step 4: Simplify right side
    43,258.32x = 2,034,933,574.94
  5. Step 5: Solve for x
    x = 2,034,933,574.94/43,258.32
  6. Step 6: Final answer
    x = 47,041.44

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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.