Home / 64,389.54-88,876.07-38,891.85

Finding the Fourth Proportional to 64,389.54, 88,876.07 and 38,891.85

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Solution

The fourth proportional to 64,389.54, 88,876.07 and 38,891.85 is: 53,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.54 : 88,876.07 = 38,891.85 : x
  2. Step 2: Convert to fraction form
    64,389.54/88,876.07 = 38,891.85/x
  3. Step 3: Cross multiply
    64,389.54x = 88,876.07 × 38,891.85
  4. Step 4: Simplify right side
    64,389.54x = 3,456,554,783.03
  5. Step 5: Solve for x
    x = 3,456,554,783.03/64,389.54
  6. Step 6: Final answer
    x = 53,681.93

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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.