Home / 35,561.62-53,330.08-19,790.72

Finding the Fourth Proportional to 35,561.62, 53,330.08 and 19,790.72

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Solution

The fourth proportional to 35,561.62, 53,330.08 and 19,790.72 is: 29,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.62 : 53,330.08 = 19,790.72 : x
  2. Step 2: Convert to fraction form
    35,561.62/53,330.08 = 19,790.72/x
  3. Step 3: Cross multiply
    35,561.62x = 53,330.08 × 19,790.72
  4. Step 4: Simplify right side
    35,561.62x = 1,055,440,680.86
  5. Step 5: Solve for x
    x = 1,055,440,680.86/35,561.62
  6. Step 6: Final answer
    x = 29,679.21

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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.