Home / 51,739.12-77,569.12-23,639.68

Finding the Fourth Proportional to 51,739.12, 77,569.12 and 23,639.68

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Solution

The fourth proportional to 51,739.12, 77,569.12 and 23,639.68 is: 35,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739.12 : 77,569.12 = 23,639.68 : x
  2. Step 2: Convert to fraction form
    51,739.12/77,569.12 = 23,639.68/x
  3. Step 3: Cross multiply
    51,739.12x = 77,569.12 × 23,639.68
  4. Step 4: Simplify right side
    51,739.12x = 1,833,709,174.68
  5. Step 5: Solve for x
    x = 1,833,709,174.68/51,739.12
  6. Step 6: Final answer
    x = 35,441.44

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1.5x scale

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.