Home / 45,357.07-68,048.07-13,768.15

Finding the Fourth Proportional to 45,357.07, 68,048.07 and 13,768.15

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Solution

The fourth proportional to 45,357.07, 68,048.07 and 13,768.15 is: 20,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,357.07 : 68,048.07 = 13,768.15 : x
  2. Step 2: Convert to fraction form
    45,357.07/68,048.07 = 13,768.15/x
  3. Step 3: Cross multiply
    45,357.07x = 68,048.07 × 13,768.15
  4. Step 4: Simplify right side
    45,357.07x = 936,896,034.97
  5. Step 5: Solve for x
    x = 936,896,034.97/45,357.07
  6. Step 6: Final answer
    x = 20,656.01

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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.