Home / 60,290.42-90,448.59-20,313.38

Finding the Fourth Proportional to 60,290.42, 90,448.59 and 20,313.38

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Solution

The fourth proportional to 60,290.42, 90,448.59 and 20,313.38 is: 30,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290.42 : 90,448.59 = 20,313.38 : x
  2. Step 2: Convert to fraction form
    60,290.42/90,448.59 = 20,313.38/x
  3. Step 3: Cross multiply
    60,290.42x = 90,448.59 × 20,313.38
  4. Step 4: Simplify right side
    60,290.42x = 1,837,316,126.89
  5. Step 5: Solve for x
    x = 1,837,316,126.89/60,290.42
  6. Step 6: Final answer
    x = 30,474.43

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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.