Home / 69,859.36-96,405.36-38,028.16

Finding the Fourth Proportional to 69,859.36, 96,405.36 and 38,028.16

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Solution

The fourth proportional to 69,859.36, 96,405.36 and 38,028.16 is: 52,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.36 : 96,405.36 = 38,028.16 : x
  2. Step 2: Convert to fraction form
    69,859.36/96,405.36 = 38,028.16/x
  3. Step 3: Cross multiply
    69,859.36x = 96,405.36 × 38,028.16
  4. Step 4: Simplify right side
    69,859.36x = 3,666,118,454.94
  5. Step 5: Solve for x
    x = 3,666,118,454.94/69,859.36
  6. Step 6: Final answer
    x = 52,478.56

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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.