Home / 47,127.30-65,033.73-30,107.58

Finding the Fourth Proportional to 47,127.30, 65,033.73 and 30,107.58

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Solution

The fourth proportional to 47,127.30, 65,033.73 and 30,107.58 is: 41,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.30 : 65,033.73 = 30,107.58 : x
  2. Step 2: Convert to fraction form
    47,127.30/65,033.73 = 30,107.58/x
  3. Step 3: Cross multiply
    47,127.30x = 65,033.73 × 30,107.58
  4. Step 4: Simplify right side
    47,127.30x = 1,958,008,228.67
  5. Step 5: Solve for x
    x = 1,958,008,228.67/47,127.30
  6. Step 6: Final answer
    x = 41,547.22

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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.