Home / 57,021.17-85,510.48-19,570.61

Finding the Fourth Proportional to 57,021.17, 85,510.48 and 19,570.61

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Solution

The fourth proportional to 57,021.17, 85,510.48 and 19,570.61 is: 29,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.17 : 85,510.48 = 19,570.61 : x
  2. Step 2: Convert to fraction form
    57,021.17/85,510.48 = 19,570.61/x
  3. Step 3: Cross multiply
    57,021.17x = 85,510.48 × 19,570.61
  4. Step 4: Simplify right side
    57,021.17x = 1,673,492,157.14
  5. Step 5: Solve for x
    x = 1,673,492,157.14/57,021.17
  6. Step 6: Final answer
    x = 29,348.61

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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.