Home / 31,479,631.58-43,441,309.54-17,158,178.48

Finding the Fourth Proportional to 31,479,631.58, 43,441,309.54 and 17,158,178.48

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Solution

The fourth proportional to 31,479,631.58, 43,441,309.54 and 17,158,178.48 is: 23,677,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479,631.58 : 43,441,309.54 = 17,158,178.48 : x
  2. Step 2: Convert to fraction form
    31,479,631.58/43,441,309.54 = 17,158,178.48/x
  3. Step 3: Cross multiply
    31,479,631.58x = 43,441,309.54 × 17,158,178.48
  4. Step 4: Simplify right side
    31,479,631.58x = 745,373,742,398,175.12
  5. Step 5: Solve for x
    x = 745,373,742,398,175.12/31,479,631.58
  6. Step 6: Final answer
    x = 23,677,969.05

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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.