Home / 60,570.51-90,864.41-19,020.75

Finding the Fourth Proportional to 60,570.51, 90,864.41 and 19,020.75

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Solution

The fourth proportional to 60,570.51, 90,864.41 and 19,020.75 is: 28,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,570.51 : 90,864.41 = 19,020.75 : x
  2. Step 2: Convert to fraction form
    60,570.51/90,864.41 = 19,020.75/x
  3. Step 3: Cross multiply
    60,570.51x = 90,864.41 × 19,020.75
  4. Step 4: Simplify right side
    60,570.51x = 1,728,309,131.40
  5. Step 5: Solve for x
    x = 1,728,309,131.40/60,570.51
  6. Step 6: Final answer
    x = 28,533.84

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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.